From: Jeff Gilbert <jgilbert@mozilla.com>

diff --git a/gfx/angle/src/libEGL/Display.cpp b/gfx/angle/src/libEGL/Display.cpp
--- a/gfx/angle/src/libEGL/Display.cpp
+++ b/gfx/angle/src/libEGL/Display.cpp
@@ -26,16 +26,22 @@
 // The "Debug This Pixel..." feature in PIX often fails when using the
 // D3D9Ex interfaces.  In order to get debug pixel to work on a Vista/Win 7
 // machine, define "ANGLE_ENABLE_D3D9EX=0" in your project file.
 #if !defined(ANGLE_ENABLE_D3D9EX)
 // Enables use of the IDirect3D9Ex interface, when available
 #define ANGLE_ENABLE_D3D9EX 1
 #endif // !defined(ANGLE_ENABLE_D3D9EX)
 
+#define ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES \
+    {                                            \
+        TEXT("d3dcompiler_46.dll"),              \
+        TEXT("d3dcompiler_43.dll")               \
+    }
+
 namespace egl
 {
 namespace
 {
     typedef std::map<EGLNativeDisplayType, Display*> DisplayMap; 
     DisplayMap displays;
 }