Added GPU process "echo" IPC message.

webkit/plugins/ppapi/ppb_graphics_3d_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/plugins/ppapi/ppb_graphics_3d_impl.h"
 
 #include "base/message_loop.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
@@ skipping 36 matching lines @@
       s.generation
   };
   return state;
 }
 }  // namespace.
 
 PPB_Graphics3D_Impl::PPB_Graphics3D_Impl(PP_Instance instance)
     : Resource(instance),
       bound_to_instance_(false),
       commit_pending_(false),
-      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
+      method_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
 }
 
 PPB_Graphics3D_Impl::~PPB_Graphics3D_Impl() {
   DestroyGLES2Impl();
 }
 
 // static
 PP_Resource PPB_Graphics3D_Impl::Create(PP_Instance instance,
                                         PP_Resource share_context,
                                         const int32_t* attrib_list) {
@@ skipping 89 matching lines @@
   return platform_context_->GetCommandBuffer();
 }
 
 int32 PPB_Graphics3D_Impl::DoSwapBuffers() {
   // We do not have a GLES2 implementation when using an OOP proxy.
   // The plugin-side proxy is responsible for adding the SwapBuffers command
   // to the command buffer in that case.
   if (gles2_impl())
     gles2_impl()->SwapBuffers();
 
+  platform_context_->Echo(method_factory_.NewRunnableMethod(
+      &PPB_Graphics3D_Impl::OnSwapBuffers));
+
   return PP_OK_COMPLETIONPENDING;
 }
 
 bool PPB_Graphics3D_Impl::Init(PP_Resource share_context,
                                const int32_t* attrib_list) {
   if (!InitRaw(share_context, attrib_list))
     return false;
 
   gpu::CommandBuffer* command_buffer = GetCommandBuffer();
   if (!command_buffer->Initialize(kCommandBufferSize))
@@ skipping 15 matching lines @@
 
   platform_context_.reset(plugin_instance->CreateContext3D());
   if (!platform_context_.get())
     return false;
 
   if (!platform_context_->Init(attrib_list))
     return false;
 
   platform_context_->SetContextLostCallback(
       callback_factory_.NewCallback(&PPB_Graphics3D_Impl::OnContextLost));
-  platform_context_->SetSwapBuffersCallback(
-      callback_factory_.NewCallback(&PPB_Graphics3D_Impl::OnSwapBuffers));
   return true;
 }
 
 void PPB_Graphics3D_Impl::OnSwapBuffers() {
   if (bound_to_instance_) {
     // If we are bound to the instance, we need to ask the compositor
     // to commit our backing texture so that the graphics appears on the page.
     // When the backing texture will be committed we get notified via
     // ViewFlushedPaint().
     //
@@ skipping 32 matching lines @@
   const PPP_Graphics3D_Dev* ppp_graphics_3d =
       static_cast<const PPP_Graphics3D_Dev*>(
           instance->module()->GetPluginInterface(
               PPP_GRAPHICS_3D_DEV_INTERFACE));
   if (ppp_graphics_3d)
     ppp_graphics_3d->Graphics3DContextLost(pp_instance());
 }
 
 }  // namespace ppapi
 }  // namespace webkit