Backing out bug 389188 due to potential private bytes increase on talos

modules/libpr0n/build/Makefile.in

@@ -58,9 +58,6 @@ REQUIRES	= xpcom \
 		  necko \
 		  nkcache \
 		  gfx \
-		  caps \
-		  xpconnect \
-		  js \
 		  $(JPEG_REQUIRES) \
 		  $(PNG_REQUIRES) \
 		  $(ZLIB_REQUIRES) \

modules/libpr0n/public/imgIRequest.idl

@@ -43,7 +43,6 @@
 interface imgIContainer;
 interface imgIDecoderObserver;
 interface nsIURI;
-interface nsIPrincipal;
 
 /**
  * imgIRequest interface
@@ -52,7 +51,7 @@ interface nsIPrincipal;
  * @version 0.1
  * @see imagelib2
  */
-[scriptable, uuid(a297d3fa-5e0c-4e59-9f30-a01c9d4f3f8b)]
+[scriptable, uuid(ccf705f6-1dd1-11b2-82ef-e18eccf7f7ec)]
 interface imgIRequest : nsIRequest
 {
   /**
@@ -81,11 +80,6 @@ interface imgIRequest : nsIRequest
    */
   readonly attribute unsigned long imageStatus;
 
-  /**
-   * The URI the image load was started with.  Note that this might not be the
-   * actual URI for the image (e.g. if HTTP redirects happened during the
-   * load).
-   */
   readonly attribute nsIURI URI;
 
   readonly attribute imgIDecoderObserver decoderObserver;
@@ -99,10 +93,5 @@ interface imgIRequest : nsIRequest
    * for this image load.
    */
   imgIRequest clone(in imgIDecoderObserver aObserver);
-
-  /**
-   * The principal gotten from the channel the image was loaded from.
-   */
-  readonly attribute nsIPrincipal imagePrincipal;
 };
 

modules/libpr0n/src/Makefile.in

@@ -56,9 +56,6 @@ REQUIRES	= xpcom \
 		  gfx \
 		  thebes \
 		  cairo \
-		  caps \
-		  xpconnect \
-		  js \
 		  $(NULL)
 
 CPPSRCS		= \

modules/libpr0n/src/imgRequest.cpp

@@ -61,7 +61,6 @@
 #include "nsIProxyObjectManager.h"
 #include "nsIServiceManager.h"
 #include "nsISupportsPrimitives.h"
-#include "nsIScriptSecurityManager.h"
 
 #include "nsString.h"
 #include "nsXPIDLString.h"
@@ -308,17 +307,6 @@ nsresult imgRequest::GetURI(nsIURI **aURI)
   return NS_ERROR_FAILURE;
 }
 
-nsresult imgRequest::GetPrincipal(nsIPrincipal **aPrincipal)
-{
-  LOG_FUNC(gImgLog, "imgRequest::GetPrincipal");
-
-  if (mPrincipal) {
-    NS_ADDREF(*aPrincipal = mPrincipal);
-  }
-
-  return NS_ERROR_FAILURE;
-}
-
 void imgRequest::RemoveFromCache()
 {
   LOG_SCOPE(gImgLog, "imgRequest::RemoveFromCache");
@@ -611,19 +599,7 @@ NS_IMETHODIMP imgRequest::OnStartRequest(nsIRequest *aRequest, nsISupports *ctxt
     proxy->OnStartRequest(aRequest, ctxt);
   }
 
-  /* Get our principal */
   nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
-  if (chan) {
-    nsCOMPtr<nsIScriptSecurityManager> secMan =
-      do_GetService("@mozilla.org/scriptsecuritymanager;1");
-    if (secMan) {
-      nsresult rv = secMan->GetChannelPrincipal(chan,
-                                                getter_AddRefs(mPrincipal));
-      if (NS_FAILED(rv)) {
-        return rv;
-      }
-    }
-  }
 
   /* get the expires info */
   if (mCacheEntry) {

modules/libpr0n/src/imgRequest.h

@@ -52,7 +52,6 @@
 #include "nsIProperties.h"
 #include "nsIStreamListener.h"
 #include "nsIURI.h"
-#include "nsIPrincipal.h"
 
 #include "nsCategoryCache.h"
 #include "nsCOMPtr.h"
@@ -122,7 +121,6 @@ private:
   inline nsresult GetResultFromImageStatus(PRUint32 aStatus) const;
   void Cancel(nsresult aStatus);
   nsresult GetURI(nsIURI **aURI);
-  nsresult GetPrincipal(nsIPrincipal **aPrincipal);
   void RemoveFromCache();
   inline const char *GetMimeType() const {
     return mContentType.get();
@@ -153,7 +151,6 @@ public:
 private:
   nsCOMPtr<nsIRequest> mRequest;
   nsCOMPtr<nsIURI> mURI;
-  nsCOMPtr<nsIPrincipal> mPrincipal;
   nsCOMPtr<imgIContainer> mImage;
   nsCOMPtr<imgIDecoder> mDecoder;
   nsCOMPtr<nsIProperties> mProperties;

modules/libpr0n/src/imgRequestProxy.cpp

@@ -342,15 +342,6 @@ NS_IMETHODIMP imgRequestProxy::Clone(imgIDecoderObserver* aObserver,
   return NS_OK;
 }
 
-/* readonly attribute nsIPrincipal imagePrincipal; */
-NS_IMETHODIMP imgRequestProxy::GetImagePrincipal(nsIPrincipal **aPrincipal)
-{
-  if (!mOwner)
-    return NS_ERROR_FAILURE;
-
-  return mOwner->GetPrincipal(aPrincipal);
-}
-
 /** nsISupportsPriority methods **/
 
 NS_IMETHODIMP imgRequestProxy::GetPriority(PRInt32 *priority)