Bug 1332528 - Use LayersBackend::LAYERS_WR more r=nical

gfx/layers/client/ContentClient.cpp

@@ -63,6 +63,7 @@ ContentClient::CreateContentClient(CompositableForwarder* aForwarder)
   if (backend != LayersBackend::LAYERS_OPENGL &&
       backend != LayersBackend::LAYERS_D3D9 &&
       backend != LayersBackend::LAYERS_D3D11 &&
+      backend != LayersBackend::LAYERS_WR &&
       backend != LayersBackend::LAYERS_BASIC) {
     return nullptr;
   }

gfx/layers/wr/WebRenderBridgeParent.cpp

@@ -815,7 +815,7 @@ WebRenderBridgeParent::GetTextureFactoryIdentifier()
 
   MOZ_ASSERT(mApi);
 
-  return TextureFactoryIdentifier(LayersBackend::LAYERS_OPENGL,
+  return TextureFactoryIdentifier(LayersBackend::LAYERS_WR,
                                   XRE_GetProcessType(),
                                   mApi->GetMaxTextureSize());
 }

gfx/layers/wr/WebRenderCompositorOGL.h

@@ -40,7 +40,7 @@ public:
   virtual TextureFactoryIdentifier GetTextureFactoryIdentifier() override
   {
     TextureFactoryIdentifier result =
-      TextureFactoryIdentifier(LayersBackend::LAYERS_OPENGL,
+      TextureFactoryIdentifier(LayersBackend::LAYERS_WR,
                                XRE_GetProcessType(),
                                GetMaxTextureSize(),
                                true,
@@ -107,7 +107,7 @@ public:
 #endif // MOZ_DUMP_PAINTING
 
   virtual LayersBackend GetBackendType() const override {
-    return LayersBackend::LAYERS_OPENGL;
+    return LayersBackend::LAYERS_WR;
   }
 
   virtual bool IsValid() const override { return true; }