Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index fe5a7756d58a4c8fb420c00a58a81265e0d3e85f..6b9b59bb4cd4a234c72ecadfe9de6a0381ca86c8 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -31,6 +31,7 @@
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_channel_manager.h"
+#include "content/common/gpu/gpu_channel_manager_delegate.h"
 #include "content/common/gpu/gpu_memory_buffer_factory.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/media/gpu_jpeg_decode_accelerator.h"
@@ -596,13 +597,11 @@ bool GpuChannel::Send(IPC::Message* message) {
 }
 
 void GpuChannel::OnAddSubscription(unsigned int target) {
-  gpu_channel_manager()->Send(
-      new GpuHostMsg_AddSubscription(client_id_, target));
+  gpu_channel_manager()->delegate()->AddSubscription(client_id_, target);
 }
 
 void GpuChannel::OnRemoveSubscription(unsigned int target) {
-  gpu_channel_manager()->Send(
-      new GpuHostMsg_RemoveSubscription(client_id_, target));
+  gpu_channel_manager()->delegate()->RemoveSubscription(client_id_, target);
 }
 
 void GpuChannel::OnStubSchedulingChanged(GpuCommandBufferStub* stub,
@@ -894,8 +893,7 @@ void GpuChannel::OnCreateJpegDecoder(int32_t route_id,
 
 void GpuChannel::CacheShader(const std::string& key,
                              const std::string& shader) {
-  gpu_channel_manager_->Send(
-      new GpuHostMsg_CacheShader(client_id_, key, shader));
+  gpu_channel_manager_->delegate()->StoreShaderToDisk(client_id_, key, shader);
 }
 
 void GpuChannel::AddFilter(IPC::MessageFilter* filter) {