Replace WGC3D visibility extension with resource_usage extension. [Part 2 of 3]

content/common/gpu/gpu_command_buffer_stub.cc

Index: content/common/gpu/gpu_command_buffer_stub.cc
diff --git a/content/common/gpu/gpu_command_buffer_stub.cc b/content/common/gpu/gpu_command_buffer_stub.cc
index 7df674c7580482f16c71aef037bf961e8319ab87..c888f75d6547c3ecffb532388cb9d42a2cd84169 100644
--- a/content/common/gpu/gpu_command_buffer_stub.cc
+++ b/content/common/gpu/gpu_command_buffer_stub.cc
@@ -108,8 +108,8 @@ bool GpuCommandBufferStub::OnMessageReceived(const IPC::Message& message) {
                                     OnCreateVideoDecoder)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DestroyVideoDecoder,
                         OnDestroyVideoDecoder)
-    IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SetSurfaceVisible,
-                        OnSetSurfaceVisible)
+    IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SetResourceUsage,
+                        OnSetResourceUsage)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ -499,8 +499,9 @@ void GpuCommandBufferStub::OnDestroyVideoDecoder(int decoder_route_id) {
   video_decoders_.Remove(decoder_route_id);
 }
 
-void GpuCommandBufferStub::OnSetSurfaceVisible(bool visible) {
-  surface_->SetVisible(visible);
+void GpuCommandBufferStub::OnSetResourceUsage(
+    gfx::GLSurface::ResourceUsage resourceUsage) {
+  surface_->SetResourceUsage(resourceUsage);
 }
 
 void GpuCommandBufferStub::SendConsoleMessage(