gpu: Refactor GpuMemoryBuffer framework for multi-process support.

ppapi/proxy/ppb_graphics_3d_proxy.cc

 // Copyright (c) 2012 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 "ppapi/proxy/ppb_graphics_3d_proxy.h"
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/enter_proxy.h"
@@ skipping 149 matching lines @@
   }
   virtual void SetContextLostReason(
       gpu::error::ContextLostReason reason) OVERRIDE {
     MaybeLock lock(need_to_lock_);
     gpu_command_buffer_->SetContextLostReason(reason);
   }
   virtual uint32 InsertSyncPoint() OVERRIDE {
     MaybeLock lock(need_to_lock_);
     return gpu_command_buffer_->InsertSyncPoint();
   }
+  gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
+                                              size_t height,
+                                              unsigned internalformat,
+                                              int32* id) {
+    MaybeLock lock(need_to_lock_);
+    return gpu_command_buffer_->CreateGpuMemoryBuffer(width,
+                                                      height,
+                                                      internalformat,
+                                                      id);
+  }
+  void DestroyGpuMemoryBuffer(int32 id) {
+    MaybeLock lock(need_to_lock_);
+    gpu_command_buffer_->DestroyGpuMemoryBuffer(id);
+  }
+  gfx::GLImage* GetImage(int32 id) {
+    MaybeLock lock(need_to_lock_);
+    return gpu_command_buffer_->GetImage(id);
+  }
 
   // Weak pointer - see class Graphics3D for the scopted_ptr.
   gpu::CommandBuffer* gpu_command_buffer_;
 
   bool need_to_lock_;
 };
 
 Graphics3D::Graphics3D(const HostResource& resource)
     : PPB_Graphics3D_Shared(resource),
       num_already_locked_calls_(0) {
@@ skipping 308 matching lines @@
     int32_t result,
     const HostResource& context) {
   dispatcher()->Send(new PpapiMsg_PPBGraphics3D_SwapBuffersACK(
       API_ID_PPB_GRAPHICS_3D, context, result));
 }
 #endif  // !defined(OS_NACL)
 
 }  // namespace proxy
 }  // namespace ppapi