Splitting GpuMemoryAllocation into two parts: for renderer and browser

content/common/gpu/client/command_buffer_proxy.cc

Index: content/common/gpu/client/command_buffer_proxy.cc
diff --git a/content/common/gpu/client/command_buffer_proxy.cc b/content/common/gpu/client/command_buffer_proxy.cc
index 25bee42417b3d7f4611dc7f458b14dd4a388895b..d4e1121a0bdd33baf78ccc8a605afd9c37e84269 100644
--- a/content/common/gpu/client/command_buffer_proxy.cc
+++ b/content/common/gpu/client/command_buffer_proxy.cc
@@ -98,14 +98,20 @@ void CommandBufferProxy::OnConsoleMessage(
 }
 
 void CommandBufferProxy::SetMemoryAllocationChangedCallback(
-    const base::Callback<void(const GpuMemoryAllocation&)>& callback) {
+    const base::Callback<void(const GpuMemoryAllocationForRenderer&)>&
+        callback) {
   memory_allocation_changed_callback_ = callback;
 }
 
 void CommandBufferProxy::OnSetMemoryAllocation(
-    const GpuMemoryAllocation& allocation) {
+    const GpuMemoryAllocationForRenderer& allocation) {
   if (!memory_allocation_changed_callback_.is_null())
     memory_allocation_changed_callback_.Run(allocation);
+
+  if (allocation.suggest_have_backbuffer)

[mmocny, 2012/03/15 19:11:43]

Send right away for now, but should be done via GraphicsContext extension, and
initiated by the compositor.

+    Send(new GpuCommandBufferMsg_CreateBackbuffer(route_id_));
+  else
+    Send(new GpuCommandBufferMsg_DestroyBackbuffer(route_id_));
 }
 
 void CommandBufferProxy::SetChannelErrorCallback(
@@ -363,7 +369,13 @@ bool CommandBufferProxy::SetSurfaceVisible(bool visible) {
   if (last_state_.error != gpu::error::kNoError)
     return false;
 
-  return Send(new GpuCommandBufferMsg_SetSurfaceVisible(route_id_, visible));
+  bool ret = Send(new GpuCommandBufferMsg_SetSurfaceVisible(
+      route_id_, visible));
+  if (visible)
+    Send(new GpuCommandBufferMsg_CreateBackbuffer(route_id_));
+  else
+    Send(new GpuCommandBufferMsg_DestroyBackbuffer(route_id_));
+  return ret;
 }
 
 bool CommandBufferProxy::SetParent(CommandBufferProxy* parent_command_buffer,