Bug 1462555 - Remove gfxWindowsPlatform::mFeatureLevels r=jrmuizel

gfx/thebes/gfxWindowsPlatform.cpp

@@ -345,15 +345,6 @@ gfxWindowsPlatform::InitAcceleration()
 {
   gfxPlatform::InitAcceleration();
 
-  // Set up the D3D11 feature levels we can ask for.
-  if (IsWin8OrLater()) {
-    mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_1);
-  }
-  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_0);
-  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_1);
-  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_0);
-  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_9_3);
-
   DeviceManagerDx::Init();
 
   InitializeConfig();

gfx/thebes/gfxWindowsPlatform.h

@@ -265,8 +265,6 @@ private:
     DWRITE_MEASURING_MODE mMeasuringMode;
 
     RefPtr<mozilla::layers::ReadbackManagerD3D11> mD3D11ReadbackManager;
-
-    nsTArray<D3D_FEATURE_LEVEL> mFeatureLevels;
 };
 
 #endif /* GFX_WINDOWS_PLATFORM_H */