Plumb GpuMemoryBuffer allocation to GPU process.

content/common/gpu/gpu_channel_manager.cc

Index: content/common/gpu/gpu_channel_manager.cc
diff --git a/content/common/gpu/gpu_channel_manager.cc b/content/common/gpu/gpu_channel_manager.cc
index 3e056e5e7cb7b5fc436dba37c509e2207fe1cc34..b56c43953b0856473b57bff315c8a9dba577001d 100644
--- a/content/common/gpu/gpu_channel_manager.cc
+++ b/content/common/gpu/gpu_channel_manager.cc
@@ -110,6 +110,8 @@ bool GpuChannelManager::OnMessageReceived(const IPC::Message& msg) {
                         OnCreateViewCommandBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_CreateImage, OnCreateImage)
     IPC_MESSAGE_HANDLER(GpuMsg_DeleteImage, OnDeleteImage)
+    IPC_MESSAGE_HANDLER(GpuMsg_CreateGpuMemoryBuffer, OnCreateGpuMemoryBuffer)
+    IPC_MESSAGE_HANDLER(GpuMsg_DestroyGpuMemoryBuffer, OnDestroyGpuMemoryBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_LoadedShader, OnLoadedShader)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -255,6 +257,20 @@ void GpuChannelManager::OnDeleteImageSyncPointRetired(
   }
 }
 
+void GpuChannelManager::OnCreateGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    unsigned internalformat,
+    unsigned usage) {
+  Send(new GpuHostMsg_GpuMemoryBufferCreated(gfx::GpuMemoryBufferHandle()));
+}
+
+void GpuChannelManager::OnDestroyGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferHandle& handle,
+    int32 sync_point) {
+  NOTIMPLEMENTED();

[reveman, 2014/06/11 14:03:22]

I don't think this should be here. You've implemented OnCreateGpuMemoryBuffer so
it makes sense to also consider this implemented.

[alexst (slow to review), 2014/06/11 14:18:59]

Done.

+}
+
 void GpuChannelManager::OnLoadedShader(std::string program_proto) {
   if (program_cache())
     program_cache()->LoadProgram(program_proto);