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 885f6d98cae389a2f625ae212c9a7ec0f8b2bd21..b6731deb1d2e885d0c21441fbed8af5ad6df6328 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"
@@ -700,13 +701,11 @@ 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::OnStreamRescheduled(int32_t stream_id, bool scheduled) {
@@ -1000,8 +999,7 @@ 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) {