Bug 1156632 - Remove unused forward class declarations - patch 6 - the rest of the tree, r=ehsan

docshell/base/IHistory.h

@@ -10,7 +10,6 @@
 #include "nsISupports.h"
 
 class nsIURI;
-class nsString;
 
 namespace mozilla {
 

docshell/base/LoadContext.h

@@ -14,8 +14,6 @@
 #include "nsIInterfaceRequestor.h"
 #include "nsILoadContext.h"
 
-class mozIApplication;
-
 namespace mozilla {
 
 /**

docshell/base/nsDocShell.h

@@ -88,7 +88,6 @@ class nsIURIFixup;
 class nsIURILoader;
 class nsIWebBrowserFind;
 class nsIWidget;
-class ProfilerMarkerTracing;
 
 /* load commands were moved to nsIDocShell.h */
 /* load types were moved to nsDocShellLoadTypes.h */

docshell/base/nsILinkHandler.h

@@ -13,7 +13,6 @@ class nsIContent;
 class nsIDocShell;
 class nsIInputStream;
 class nsIRequest;
-class nsString;
 
 // Interface ID for nsILinkHandler
 #define NS_ILINKHANDLER_IID \

gfx/2d/2D.h

@@ -44,7 +44,6 @@ struct ID2D1Device;
 struct IDWriteRenderingParams;
 
 class GrContext;
-struct GrGLInterface;
 
 struct CGContext;
 typedef struct CGContext *CGContextRef;

gfx/2d/DrawTargetD2D1.h

@@ -23,8 +23,6 @@ namespace mozilla {
 namespace gfx {
 
 class SourceSurfaceD2D1;
-class GradientStopsD2D;
-class ScaledFontDWrite;
 
 const int32_t kLayerCacheSize1 = 5;
 

gfx/2d/PathCairo.h

@@ -13,7 +13,6 @@
 namespace mozilla {
 namespace gfx {
 
-class DrawTargetCairo;
 class PathCairo;
 
 class PathBuilderCairo : public PathBuilder

gfx/2d/QuartzSupport.h

@@ -20,7 +20,6 @@
 CGColorSpaceRef CreateSystemColorSpace();
 
 // Manages a CARenderer
-struct _CGLPBufferObject;
 struct _CGLContextObject;
 
 enum AllowOfflineRendererEnum { ALLOW_OFFLINE_RENDERER, DISALLOW_OFFLINE_RENDERER };

gfx/2d/ScaledFontBase.h

@@ -21,8 +21,6 @@
 #include "cairo.h"
 #endif
 
-class gfxFont;
-
 namespace mozilla {
 namespace gfx {
 

gfx/2d/SourceSurfaceSkia.h

@@ -11,8 +11,6 @@
 #include "skia/SkCanvas.h"
 #include "skia/SkBitmap.h"
 
-class GrContext;
-
 namespace mozilla {
 
 namespace gfx {

gfx/gl/AndroidSurfaceTexture.h

@@ -18,8 +18,6 @@
 #include "SurfaceTexture.h"
 #include "AndroidNativeWindow.h"
 
-class gfxASurface;
-
 namespace mozilla {
 namespace gfx {
 class Matrix4x4;

gfx/gl/GLContext.h

@@ -51,10 +51,6 @@
 #include "gfx2DGlue.h"
 #include "GeckoProfiler.h"
 
-class nsIntRegion;
-class nsIRunnable;
-class nsIThread;
-
 namespace android {
     class GraphicBuffer;
 }

gfx/gl/TextureImageCGL.h

@@ -11,8 +11,6 @@
 #include "nsAutoPtr.h"
 #include "nsSize.h"
 
-class gfxASurface;
-
 namespace mozilla {
 namespace gl {
 

gfx/layers/Compositor.h

@@ -120,7 +120,6 @@ namespace layers {
 struct Effect;
 struct EffectChain;
 class Image;
-class ISurfaceAllocator;
 class Layer;
 class TextureSource;
 class DataTextureSource;

gfx/layers/CopyableCanvasLayer.h

@@ -21,9 +21,12 @@
 #include "nsISupportsImpl.h"            // for MOZ_COUNT_CTOR, etc
 
 namespace mozilla {
-namespace layers {
 
-class CanvasClientWebGL;
+namespace gl {
+class SharedSurface;
+}
+
+namespace layers {
 
 /**
  * A shared CanvasLayer implementation that supports copying

gfx/layers/ImageContainer.h

@@ -95,7 +95,6 @@ typedef void* HANDLE;
 
 namespace mozilla {
 
-class CrossProcessMutex;
 
 namespace layers {
 
@@ -103,8 +102,6 @@ class ImageClient;
 class SharedPlanarYCbCrImage;
 class TextureClient;
 class CompositableClient;
-class CompositableForwarder;
-class SurfaceDescriptor;
 class GrallocImage;
 
 struct ImageBackendData

gfx/layers/LayerTreeInvalidation.h

@@ -10,8 +10,6 @@
 #include "mozilla/UniquePtr.h"          // for UniquePtr
 #include "mozilla/gfx/Point.h"
 
-class nsPresContext;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/Layers.h

@@ -57,11 +57,9 @@ namespace mozilla {
 class ComputedTimingFunction;
 class FrameLayerBuilder;
 class StyleAnimationValue;
-class WebGLContext;
 
 namespace gl {
 class GLContext;
-class SharedSurface;
 }
 
 namespace gfx {
@@ -78,7 +76,6 @@ class Animation;
 class AnimationData;
 class AsyncPanZoomController;
 class ClientLayerManager;
-class CommonLayerAttributes;
 class Layer;
 class LayerMetricsWrapper;
 class PaintedLayer;
@@ -95,10 +92,7 @@ class ShadowableLayer;
 class ShadowLayerForwarder;
 class LayerManagerComposite;
 class SpecificLayerAttributes;
-class SurfaceDescriptor;
 class Compositor;
-struct TextureFactoryIdentifier;
-struct EffectMask;
 
 namespace layerscope {
 class LayersPacket;

gfx/layers/LayersTypes.h

@@ -26,7 +26,6 @@
 #  define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args)         \
   do { if (layer->AsShadowableLayer()) { PR_LOG(LayerManager::GetLog(), PR_LOG_DEBUG, _args); } } while (0)
 #else
-struct PRLogModuleInfo;
 #  define MOZ_LAYERS_LOG(_args)
 #  define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args)
 #endif  // if defined(DEBUG) || defined(PR_LOGGING)

gfx/layers/apz/src/APZCTreeManager.h

@@ -41,7 +41,6 @@ enum AllowedTouchBehavior {
 class Layer;
 class AsyncPanZoomController;
 class CompositorParent;
-class APZPaintLogHelper;
 class OverscrollHandoffChain;
 struct OverscrollHandoffState;
 class LayerMetricsWrapper;

gfx/layers/apz/src/InputQueue.h

@@ -20,7 +20,6 @@ class ScrollWheelInput;
 namespace layers {
 
 class AsyncPanZoomController;
-class OverscrollHandoffChain;
 class CancelableBlockState;
 class TouchBlockState;
 class WheelBlockState;

gfx/layers/apz/util/ActiveElementManager.h

@@ -9,7 +9,6 @@
 #include "nsCOMPtr.h"
 #include "nsISupportsImpl.h"
 
-class inIDOMUtils;
 class CancelableTask;
 
 namespace mozilla {

gfx/layers/apz/util/ChromeProcessController.h

@@ -22,7 +22,6 @@ namespace mozilla {
 namespace layers {
 
 class APZEventState;
-class CompositorParent;
 
 // A ChromeProcessController is attached to the root of a compositor's layer
 // tree.

gfx/layers/basic/BasicCanvasLayer.h

@@ -13,8 +13,6 @@
 #include "nsDebug.h"                    // for NS_ASSERTION
 #include "nsRegion.h"                   // for nsIntRegion
 
-class gfxContext;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/basic/BasicCompositor.h

@@ -11,8 +11,6 @@
 #include "mozilla/gfx/2D.h"
 #include "nsAutoPtr.h"
 
-class gfxContext;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/basic/BasicImplData.h

@@ -15,7 +15,6 @@ namespace mozilla {
 namespace layers {
 
 class ReadbackProcessor;
-class SurfaceDescriptor;
 
 /**
  * This is the ImplData for all Basic layers. It also exposes methods

gfx/layers/basic/BasicLayers.h

@@ -20,18 +20,15 @@
 #include "nsRegion.h"                   // for nsIntRegion
 #include "nscore.h"                     // for nsAString, etc
 
-class gfxPattern;
 class nsIWidget;
 
 namespace mozilla {
 namespace layers {
 
-class BasicShadowableLayer;
 class ImageFactory;
 class ImageLayer;
 class PaintLayerContext;
 class ReadbackLayer;
-class ReadbackProcessor;
 
 /**
  * This is a cairo/Thebes-only, main-thread-only implementation of layers.

gfx/layers/basic/BasicLayersImpl.h

@@ -25,7 +25,6 @@ class DrawTarget;
 namespace layers {
 
 class AutoMoz2DMaskData;
-class BasicContainerLayer;
 class Layer;
 
 class AutoSetOperator {

gfx/layers/client/ClientPaintedLayer.h

@@ -18,8 +18,6 @@
 #include "nsRegion.h"                   // for nsIntRegion
 #include "mozilla/layers/PLayerTransaction.h" // for PaintedLayerAttributes
 
-class gfxContext;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/client/ClientTiledPaintedLayer.h

@@ -12,8 +12,6 @@
 #include "nsDebug.h"                    // for NS_RUNTIMEABORT
 #include "nsRegion.h"                   // for nsIntRegion
 
-class gfxContext;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/client/CompositableClient.h

@@ -27,7 +27,6 @@ class BufferTextureClient;
 class ImageBridgeChild;
 class CompositableForwarder;
 class CompositableChild;
-class SurfaceDescriptor;
 class PCompositableChild;
 
 /**

gfx/layers/client/ContentClient.h

@@ -28,8 +28,6 @@
 #include "nsRegion.h"                   // for nsIntRegion
 #include "nsTArray.h"                   // for nsTArray
 
-class gfxContext;
-
 namespace mozilla {
 namespace gfx {
 class DrawTarget;
@@ -37,7 +35,6 @@ class DrawTarget;
 
 namespace layers {
 
-class BasicLayerManager;
 class PaintedLayer;
 
 /**

gfx/layers/client/TextureClient.h

@@ -29,7 +29,6 @@
 #include "nsISupportsImpl.h"            // for TextureImage::AddRef, etc
 #include "GfxTexturesReporter.h"
 
-class gfxReusableSurfaceWrapper;
 class gfxImageSurface;
 
 namespace mozilla {
@@ -47,11 +46,9 @@ class SharedSurface;
 namespace layers {
 
 class AsyncTransactionTracker;
-class ContentClient;
 class CompositableForwarder;
 class ISurfaceAllocator;
 class CompositableClient;
-class PlanarYCbCrImage;
 struct PlanarYCbCrData;
 class Image;
 class PTextureChild;

gfx/layers/client/TiledContentClient.h

@@ -41,7 +41,6 @@
 namespace mozilla {
 namespace layers {
 
-class BasicTileDescriptor;
 class ClientTiledPaintedLayer;
 class ClientLayerManager;
 

gfx/layers/composite/CompositableHost.h

@@ -37,9 +37,7 @@ class DataSourceSurface;
 namespace layers {
 
 class Layer;
-class SurfaceDescriptor;
 class Compositor;
-class ISurfaceAllocator;
 class ThebesBufferData;
 class TiledLayerComposer;
 class CompositableParentManager;

gfx/layers/composite/ContentHost.h

@@ -42,7 +42,6 @@ class Compositor;
 class ThebesBufferData;
 class TiledLayerComposer;
 struct EffectChain;
-class TextureImageTextureSourceOGL;
 
 struct TexturedEffect;
 

gfx/layers/composite/FPSCounter.h

@@ -16,13 +16,9 @@
 #include "prio.h"                       // for NSPR file i/o
 
 namespace mozilla {
-namespace gl {
-class GLContext;
-}
 namespace layers {
 
 class DataTextureSource;
-class ShaderProgramOGL;
 class Compositor;
 
 // Dump the FPS histogram every 10 seconds or kMaxFrameFPS

gfx/layers/composite/ImageHost.h

@@ -31,7 +31,6 @@ class Matrix4x4;
 namespace layers {
 
 class Compositor;
-class ISurfaceAllocator;
 struct EffectChain;
 
 /**

gfx/layers/composite/LayerManagerComposite.h

@@ -43,11 +43,6 @@ namespace gfx {
 class DrawTarget;
 }
 
-namespace gl {
-class GLContext;
-class TextureImage;
-}
-
 namespace layers {
 
 class CanvasLayerComposite;
@@ -60,7 +55,6 @@ class ImageLayer;
 class ImageLayerComposite;
 class LayerComposite;
 class RefLayerComposite;
-class SurfaceDescriptor;
 class PaintedLayerComposite;
 class TiledLayerComposer;
 class TextRenderer;

gfx/layers/composite/TextureHost.h

@@ -30,8 +30,6 @@
 #include "mozilla/layers/AtomicRefCountedWithFinalize.h"
 #include "mozilla/gfx/Rect.h"
 
-class gfxReusableSurfaceWrapper;
-
 namespace mozilla {
 namespace gl {
 class SharedSurface;
@@ -43,7 +41,6 @@ class Shmem;
 namespace layers {
 
 class Compositor;
-class CompositableHost;
 class CompositableParentManager;
 class SurfaceDescriptor;
 class SharedSurfaceDescriptor;

gfx/layers/composite/TiledContentHost.h

@@ -31,8 +31,6 @@
 #include <ui/Fence.h>
 #endif
 
-class gfxReusableSurfaceWrapper;
-
 namespace mozilla {
 namespace gfx {
 class Matrix4x4;

gfx/layers/d3d11/TextureD3D11.h

@@ -14,8 +14,6 @@
 #include <d3d11.h>
 #include <vector>
 
-class gfxD2DSurface;
-
 namespace mozilla {
 namespace layers {
 

gfx/layers/d3d9/DeviceManagerD3D9.h

@@ -18,7 +18,6 @@ namespace mozilla {
 namespace layers {
 
 class DeviceManagerD3D9;
-class LayerD3D9;
 class Nv3DVUtils;
 class Layer;
 class TextureSourceD3D9;

gfx/layers/ipc/CompositableForwarder.h

@@ -26,7 +26,6 @@ struct TextureFactoryIdentifier;
 class SurfaceDescriptor;
 class SurfaceDescriptorTiles;
 class ThebesBufferData;
-class ClientTiledLayerBuffer;
 class PTextureChild;
 
 /**

gfx/layers/ipc/CompositableTransactionParent.h

@@ -18,7 +18,6 @@ namespace mozilla {
 namespace layers {
 
 class CompositableHost;
-class PTextureChild;
 
 typedef std::vector<mozilla::layers::EditReply> EditReplyVector;
 

gfx/layers/ipc/CompositorChild.h

@@ -20,8 +20,6 @@
 #include "ThreadSafeRefcountingWithMainThreadDestruction.h"
 #include "nsWeakReference.h"
 
-class nsIObserver;
-
 namespace mozilla {
 
 namespace dom {

gfx/layers/ipc/CompositorParent.h

@@ -39,7 +39,6 @@
 
 class CancelableTask;
 class MessageLoop;
-class gfxContext;
 class nsIWidget;
 
 namespace mozilla {

gfx/layers/ipc/ISurfaceAllocator.h

@@ -30,12 +30,6 @@
 #define MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
 #endif
 
-class gfxSharedImageSurface;
-
-namespace base {
-class Thread;
-}
-
 namespace mozilla {
 namespace ipc {
 class Shmem;
@@ -47,8 +41,6 @@ class DataSourceSurface;
 namespace layers {
 
 class MaybeMagicGrallocBufferHandle;
-class MemoryTextureClient;
-class MemoryTextureHost;
 
 enum BufferCapabilities {
   DEFAULT_BUFFER_CAPS = 0,

gfx/layers/ipc/ImageBridgeChild.h

@@ -32,7 +32,6 @@ class Shmem;
 
 namespace layers {
 
-class ClientTiledLayerBuffer;
 class AsyncTransactionTracker;
 class ImageClient;
 class ImageContainer;

gfx/layers/ipc/ShadowLayerParent.h

@@ -18,7 +18,6 @@ namespace layers {
 
 class ContainerLayer;
 class Layer;
-class LayerManager;
 
 class CanvasLayerComposite;
 class ColorLayerComposite;

gfx/layers/ipc/ShadowLayerUtilsGralloc.h

@@ -22,7 +22,6 @@ namespace layers {
 
 class MaybeMagicGrallocBufferHandle;
 class SurfaceDescriptor;
-class TextureHost;
 
 struct GrallocBufferRef {
   base::ProcessId mOwner;

gfx/layers/ipc/ShadowLayers.h

@@ -26,33 +26,16 @@
 namespace mozilla {
 namespace layers {
 
-class ClientTiledLayerBuffer;
-class CanvasClient;
-class CanvasLayerComposite;
-class CanvasSurface;
-class ColorLayerComposite;
-class CompositableChild;
-class ContainerLayerComposite;
-class ContentClient;
-class ContentClientRemote;
 class EditReply;
-class ImageClient;
-class ImageLayerComposite;
 class Layer;
-class OptionalThebesBuffer;
 class PLayerChild;
 class PLayerTransactionChild;
-class PLayerTransactionParent;
 class LayerTransactionChild;
-class RefLayerComposite;
 class ShadowableLayer;
-class ShmemTextureClient;
 class SurfaceDescriptor;
 class TextureClient;
-class PaintedLayerComposite;
 class ThebesBuffer;
 class ThebesBufferData;
-class TiledLayerComposer;
 class Transaction;
 
 

gfx/layers/ipc/SharedPlanarYCbCrImage.h

@@ -20,8 +20,6 @@ namespace layers {
 
 class BufferTextureClient;
 class ImageClient;
-class ISurfaceAllocator;
-class SurfaceDescriptor;
 class TextureClient;
 
 class SharedPlanarYCbCrImage : public PlanarYCbCrImage

gfx/layers/ipc/SharedRGBImage.h

@@ -16,17 +16,11 @@
 #include "nsCOMPtr.h"                   // for already_AddRefed
 
 namespace mozilla {
-namespace ipc {
-class Shmem;
-}
-
 namespace layers {
 
 class BufferTextureClient;
 class ImageClient;
-class ISurfaceAllocator;
 class TextureClient;
-class SurfaceDescriptor;
 
 already_AddRefed<Image> CreateSharedRGBImage(ImageContainer* aImageContainer,
                                              nsIntSize aSize,

gfx/layers/opengl/Composer2D.h

@@ -27,11 +27,6 @@
  */
 
 namespace mozilla {
-
-namespace gfx {
-class Matrix;
-}
-
 namespace layers {
 
 class Layer;

gfx/layers/opengl/CompositorOGL.h

@@ -40,7 +40,6 @@
 class nsIWidget;
 
 namespace mozilla {
-class TimeStamp;
 
 namespace gfx {
 class Matrix4x4;

gfx/layers/opengl/TextureClientOGL.h

@@ -20,8 +20,6 @@ namespace mozilla {
 
 namespace layers {
 
-class CompositableForwarder;
-
 class EGLImageTextureClient : public TextureClient
 {
 public:

gfx/layers/opengl/TextureHostOGL.h

@@ -37,7 +37,6 @@
 #endif
 #endif
 
-class gfxReusableSurfaceWrapper;
 class nsIntRegion;
 
 namespace mozilla {
@@ -54,7 +53,6 @@ namespace layers {
 class Compositor;
 class CompositorOGL;
 class TextureImageTextureSourceOGL;
-class TextureSharedDataGonkOGL;
 class GLTextureSource;
 
 inline void ApplyFilterToBoundTexture(gl::GLContext* aGL,

gfx/src/FilterSupport.h

@@ -158,7 +158,6 @@ enum AttributeName {
 
 class DrawTarget;
 class SourceSurface;
-class FilterNode;
 struct FilterAttribute;
 
 enum class AttributeType {

gfx/src/nsColor.h

@@ -13,7 +13,6 @@
 
 class nsAString;
 class nsString;
-class nsCString;
 
 // A color is a 32 bit unsigned integer with four components: R, G, B
 // and A.

gfx/src/nsITheme.h

@@ -15,13 +15,11 @@
 #include "Units.h"
 
 struct nsRect;
-struct nsFont;
 struct nsIntMargin;
 class nsPresContext;
 class nsRenderingContext;
 class nsDeviceContext;
 class nsIFrame;
-class nsIContent;
 class nsIAtom;
 class nsIWidget;
 

gfx/thebes/gfx2DGlue.h

@@ -16,14 +16,6 @@
 #include "mozilla/gfx/2D.h"
 #include "gfxColor.h"
 
-namespace mozilla {
-namespace gfx {
-class DrawTarget;
-class SourceSurface;
-class ScaledFont;
-}
-}
-
 namespace mozilla {
 namespace gfx {
 

gfx/thebes/gfxAndroidPlatform.h

@@ -12,8 +12,6 @@
 #include "nsCOMPtr.h"
 #include "nsTArray.h"
 
-class nsIMemoryReporter;
-
 namespace mozilla {
     namespace dom {
         class FontListEntry;

gfx/thebes/gfxBlur.h

@@ -16,7 +16,6 @@
 class gfxContext;
 struct gfxRect;
 struct gfxRGBA;
-class gfxMatrix;
 
 namespace mozilla {
   namespace gfx {

gfx/thebes/gfxDrawable.h

@@ -12,7 +12,6 @@
 #include "GraphicsFilter.h"
 #include "mozilla/gfx/2D.h"
 
-class gfxASurface;
 class gfxContext;
 class gfxPattern;
 

gfx/thebes/gfxPattern.h

@@ -17,8 +17,6 @@
 #include "nsAutoPtr.h"
 #include "nsTArray.h"
 
-class gfxContext;
-class gfxASurface;
 struct gfxRGBA;
 typedef struct _cairo_pattern cairo_pattern_t;
 

gfx/thebes/gfxPlatform.h

@@ -38,11 +38,9 @@ class nsIURI;
 class nsIAtom;
 class nsIObserver;
 class SRGBOverrideObserver;
-struct gfxRGBA;
 
 namespace mozilla {
 namespace gl {
-class GLContext;
 class SkiaGLGlue;
 }
 namespace gfx {

gfx/thebes/gfxQtNativeRenderer.h

@@ -11,8 +11,6 @@
 #include "gfxXlibSurface.h"
 #include "mozilla/gfx/Rect.h"
 
-class QRect;
-
 /**
  * This class lets us take code that draws into an Xlib surface drawable and lets us
  * use it to draw into any Thebes context. The user should subclass this class,

gfx/thebes/gfxWindowsPlatform.h

@@ -57,8 +57,6 @@ struct IDirect3DDevice9;
 struct ID3D11Device;
 struct IDXGIAdapter1;
 
-class nsIMemoryReporter;
-
 /**
  * Utility to get a Windows HDC from a Moz2D DrawTarget.  If the DrawTarget is
  * not backed by a HDC this will get the HDC for the screen device context

storage/src/StorageBaseStatementInternal.h

@@ -13,7 +13,6 @@
 
 struct sqlite3;
 struct sqlite3_stmt;
-class mozIStorageError;
 class mozIStorageBindingParamsArray;
 class mozIStorageBindingParams;
 class mozIStorageStatementCallback;

storage/src/mozStorageAsyncStatement.h

@@ -19,7 +19,6 @@
 #include "mozilla/Attributes.h"
 
 class nsIXPConnectJSObjectHolder;
-struct sqlite3_stmt;
 
 namespace mozilla {
 namespace storage {

storage/src/mozStorageAsyncStatementParams.h

@@ -11,8 +11,6 @@
 #include "nsIXPCScriptable.h"
 #include "mozilla/Attributes.h"
 
-class mozIStorageAsyncStatement;
-
 namespace mozilla {
 namespace storage {
 

storage/src/mozStorageConnection.h

@@ -27,7 +27,6 @@
 
 #include "sqlite3.h"
 
-struct PRLock;
 class nsIFile;
 class nsIFileURL;
 class nsIEventTarget;

storage/src/mozStoragePrivateHelpers.h

@@ -19,8 +19,6 @@
 #include "Variant.h"
 
 class mozIStorageCompletionCallback;
-class mozIStorageBaseStatement;
-class mozIStorageBindingParams;
 class nsIRunnable;
 
 namespace mozilla {

widget/PuppetWidget.h

@@ -24,8 +24,6 @@
 #include "mozilla/Attributes.h"
 #include "mozilla/EventForwards.h"
 
-class gfxASurface;
-
 namespace mozilla {
 
 namespace dom {

widget/android/AndroidBridge.h

@@ -36,8 +36,6 @@
 // #define DEBUG_ANDROID_EVENTS
 // #define DEBUG_ANDROID_WIDGET
 
-class nsWindow;
-class nsIDOMMozSmsMessage;
 class nsIObserver;
 class Task;
 
@@ -62,10 +60,6 @@ struct SmsFilterData;
 } // namespace mobilemessage
 } // namespace dom
 
-namespace layers {
-class CompositorParent;
-} // namespace layers
-
 // The order and number of the members in this structure must correspond
 // to the attrsAppearance array in GeckoAppShell.getSystemColors()
 typedef struct AndroidSystemColors {

widget/android/AndroidJavaWrappers.h

@@ -27,7 +27,6 @@
 //#define FORCE_ALOG 1
 
 class nsIAndroidDisplayport;
-class nsIAndroidViewport;
 class nsIWidget;
 
 namespace mozilla {

widget/android/GfxInfo.h

@@ -16,10 +16,6 @@
 
 namespace mozilla {
 
-namespace gl {
-class GLContext;
-}
-
 namespace widget {
 
 class GfxInfo : public GfxInfoBase

widget/cocoa/nsAppShell.h

@@ -11,8 +11,6 @@
 #ifndef nsAppShell_h_
 #define nsAppShell_h_
 
-class nsCocoaWindow;
-
 #include "nsBaseAppShell.h"
 #include "nsTArray.h"
 

widget/cocoa/nsChildView.h

@@ -33,7 +33,6 @@
 #import <Cocoa/Cocoa.h>
 #import <AppKit/NSOpenGL.h>
 
-class gfxASurface;
 class nsChildView;
 class nsCocoaWindow;
 

widget/cocoa/nsMenuBarX.h

@@ -17,7 +17,6 @@
 
 class nsMenuX;
 class nsMenuBarX;
-class nsMenuItemX;
 class nsIWidget;
 class nsIContent;
 

widget/cocoa/nsMenuGroupOwnerX.h

@@ -16,12 +16,10 @@
 #include "nsString.h"
 
 
-class nsMenuX;
 class nsMenuItemX;
 class nsChangeObserver;
 class nsIWidget;
 class nsIContent;
-class nsIDocument;
 
 class nsMenuGroupOwnerX : public nsMenuObjectX, public nsIMutationObserver
 {

widget/gonk/HwcComposer2D.h

@@ -38,7 +38,6 @@ namespace gl {
 
 namespace layers {
 class CompositorParent;
-class ContainerLayer;
 class Layer;
 }
 

widget/gonk/libdisplay/FramebufferSurface.h

@@ -28,7 +28,6 @@ namespace android {
 
 class Rect;
 class String8;
-class HWComposer;
 
 #if ANDROID_VERSION >= 21
 typedef IGraphicBufferConsumer StreamConsumer;

widget/gonk/libdisplay/GonkDisplay.h

@@ -21,10 +21,6 @@
 
 namespace mozilla {
 
-namespace layers {
-class Layer;
-}
-
 typedef void * EGLDisplay;
 typedef void * EGLSurface;
 

widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h

@@ -23,8 +23,6 @@
 
 namespace android {
 
-class GonkBufferSlot;
-
 class GonkBufferQueueProducer : public BnGraphicBufferProducer,
                             private IBinder::DeathRecipient {
 public:

widget/gonk/nsWindow.h

@@ -23,22 +23,8 @@
 #include "Units.h"
 
 extern nsIntRect gScreenBounds;
-
-namespace mozilla {
-namespace gl {
-class GLContext;
-}
-namespace layers {
-class LayersManager;
-}
-}
-
 class ANativeWindowBuffer;
 
-namespace android {
-class FramebufferNativeWindow;
-}
-
 namespace widget {
 struct InputContext;
 struct InputContextAction;

widget/gtk/nsPSPrinters.h

@@ -10,8 +10,6 @@
 #include "nsString.h"
 #include "nsTArray.h"
 
-class nsCUPSShim;
-
 class nsPSPrinterList {
     public:
         nsPSPrinterList();

widget/gtk/nsWindow.h

@@ -61,7 +61,6 @@ extern PRLogModuleInfo *gWidgetDrawLog;
 
 class gfxASurface;
 class gfxPattern;
-class nsDragService;
 class nsPluginNativeWindowGtk;
 #if defined(MOZ_X11) && defined(MOZ_HAVE_SHAREDMEMORYSYSV)
 #  define MOZ_HAVE_SHMIMAGE

widget/nsBaseClipboard.h

@@ -10,7 +10,6 @@
 #include "nsITransferable.h"
 
 class nsITransferable;
-class nsDataObj;
 class nsIClipboardOwner;
 class nsIWidget;
 

widget/nsBaseDragService.h

@@ -24,10 +24,8 @@
 
 class nsIContent;
 class nsIDOMNode;
-class nsIFrame;
 class nsPresContext;
 class nsIImageLoadingContent;
-class nsICanvasElementExternal;
 
 namespace mozilla {
 namespace gfx {

widget/nsIWidget.h

@@ -28,9 +28,6 @@
 #include "Units.h"
 
 // forward declarations
-class   nsFontMetrics;
-class   nsDeviceContext;
-struct  nsFont;
 class   nsIRollupListener;
 class   imgIContainer;
 class   nsIContent;

widget/nsPrintOptionsImpl.h

@@ -15,7 +15,6 @@
 #include "nsFont.h"
 
 class nsIPrintSettings;
-class nsIWebBrowserPrint;
 
 /**
  *   Class nsPrintOptions

widget/nsTransferable.h

@@ -14,7 +14,6 @@
 #include "nsWeakPtr.h"
 
 class nsString;
-class nsDataObj;
 
 //
 // DataStruct

widget/qt/nsWindow.h

@@ -59,7 +59,6 @@ extern PRLogModuleInfo *gWidgetDrawLog;
 
 #endif /* MOZ_LOGGING */
 
-class nsIdleService;
 class QCloseEvent;
 class QFocusEvent;
 class QHideEvent;

widget/windows/KeyboardLayout.h

@@ -37,7 +37,6 @@
 #define VK_OEM_CLEAR            0xFE
 
 class nsIIdleServiceInternal;
-struct nsModifierKeyState;
 
 namespace mozilla {
 namespace widget {

widget/windows/nsClipboard.h

@@ -12,7 +12,6 @@
 #include <windows.h>
 
 class nsITransferable;
-class nsIClipboardOwner;
 class nsIWidget;
 class nsIFile;
 struct IDataObject;

widget/windows/nsDataObjCollection.h

@@ -14,8 +14,6 @@
 #include "nsDataObj.h"
 #include "mozilla/Attributes.h"
 
-class CEnumFormatEtc;
-
 #define MULTI_MIME "Mozilla/IDataObjectCollectionFormat"
 
 EXTERN_C const IID IID_IDataObjCollection;

widget/windows/nsDragService.h

@@ -10,11 +10,8 @@
 #include <windows.h>
 #include <shlobj.h>
 
-struct IDropSource;
 struct IDataObject;
-class  nsNativeDragTarget;
 class  nsDataObjCollection;
-class  nsString;
 
 /**
  * Native Win32 DragService wrapper

widget/windows/nsNativeDragTarget.h

@@ -20,8 +20,6 @@
 class nsIDragService;
 class nsIWidget;
 
-struct IDataObject;
-
 /*
  * nsNativeDragTarget implements the IDropTarget interface and gets most of its
  * behavior from the associated adapter (m_dragDrop).