Fix crash caused by concurrent access to framebuffer_combo_complete_map_.

content/common/gpu/gpu_channel_manager.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 17 matching lines @@
 }
 
 namespace gfx {
 class GLShareGroup;
 }
 
 namespace gpu {
 class SyncPointManager;
 union ValueState;
 namespace gles2 {
+class FramebufferCompletenessCache;
 class MailboxManager;
 class ProgramCache;
 class ShaderTranslatorCache;
 }
 }
 
 namespace IPC {
 class AttachmentBroker;
 struct ChannelHandle;
 class SyncChannel;
@@ skipping 37 matching lines @@
   uint64 MessagesProcessed();
 
   void LoseAllContexts();
 
   int GenerateRouteID();
   void AddRoute(int32 routing_id, IPC::Listener* listener);
   void RemoveRoute(int32 routing_id);
 
   gpu::gles2::ProgramCache* program_cache();
   gpu::gles2::ShaderTranslatorCache* shader_translator_cache();
+  gpu::gles2::FramebufferCompletenessCache* framebuffer_completeness_cache();
 
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuChannel* LookupChannel(int32 client_id);
 
   gpu::SyncPointManager* sync_point_manager() {
     return sync_point_manager_;
   }
 
   gfx::GLSurface* GetDefaultOffscreenSurface();
@@ skipping 45 matching lines @@
   // process.
   GpuChannelMap gpu_channels_;
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
   GpuMemoryManager gpu_memory_manager_;
   GpuWatchdog* watchdog_;
   // SyncPointManager guaranteed to outlive running MessageLoop.
   gpu::SyncPointManager* sync_point_manager_;
   scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
   scoped_refptr<gpu::gles2::ShaderTranslatorCache> shader_translator_cache_;
+  scoped_refptr<gpu::gles2::FramebufferCompletenessCache>
+      framebuffer_completeness_cache_;
   scoped_refptr<gfx::GLSurface> default_offscreen_surface_;
   GpuMemoryBufferFactory* const gpu_memory_buffer_factory_;
   IPC::SyncChannel* channel_;
   // Must outlive this instance of GpuChannelManager.
   IPC::AttachmentBroker* attachment_broker_;
 
   // Member variables should appear before the WeakPtrFactory, to ensure
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_