Add multi-process GpuMemoryBuffer framework.

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 622 matching lines @@
       WGC3Dsizei n,
       const WGC3Denum* bufs);
 
   // GL_ANGLE_instanced_arrays
   virtual void drawArraysInstancedANGLE(WGC3Denum mode, WGC3Dint first,
       WGC3Dsizei count, WGC3Dsizei primcount);
   virtual void drawElementsInstancedANGLE(WGC3Denum mode, WGC3Dsizei count,
       WGC3Denum type, WGC3Dintptr offset, WGC3Dsizei primcount);
   virtual void vertexAttribDivisorANGLE(WGC3Duint index, WGC3Duint divisor);
 
+  // GL_CHROMIUM_map_image
+  virtual WGC3Duint createImageCHROMIUM(
+      WGC3Dsizei width, WGC3Dsizei height, WGC3Denum internalformat);
+  virtual void destroyImageCHROMIUM(WGC3Duint image_id);
+  virtual void getImageParameterivCHROMIUM(
+      WGC3Duint image_id, WGC3Denum pname, WGC3Dint* params);
+  virtual void* mapImageCHROMIUM(WGC3Duint image_id, WGC3Denum access);
+  virtual void unmapImageCHROMIUM(WGC3Duint image_id);
+
   virtual GrGLInterface* createGrGLInterface();
 
  private:
   // These are the same error codes as used by EGL.
   enum Error {
     SUCCESS               = 0x3000,
     BAD_ATTRIBUTE         = 0x3004,
     CONTEXT_LOST          = 0x300E
   };
   // WebGraphicsContext3DCommandBufferImpl configuration attributes. Those in
@@ skipping 109 matching lines @@
   size_t min_transfer_buffer_size_;
   size_t max_transfer_buffer_size_;
   size_t mapped_memory_limit_;
 
   uint32_t flush_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_