cc: Implement shared worker contexts. (v1)

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.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_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 127 matching lines @@
           const GURL& active_url,
           const SharedMemoryLimits& limits,
           WebGraphicsContext3DCommandBufferImpl* share_context);
 
   size_t GetMappedMemoryLimit() {
     return mem_limits_.mapped_memory_reclaim_limit;
   }
 
   CONTENT_EXPORT bool InitializeOnCurrentThread();
 
+  void InvalidateWeakPtrsOnCurrentThread();
+
   void SetContextType(CommandBufferContextType type) {
     context_type_ = type;
   }
  private:
   // These are the same error codes as used by EGL.
   enum Error {
     SUCCESS               = 0x3000,
     BAD_ATTRIBUTE         = 0x3004,
     CONTEXT_LOST          = 0x300E
   };
@@ skipping 50 matching lines @@
 
   // 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<WebGraphicsContext3DCommandBufferImpl> weak_ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_