Expose GpuMemoryBufferId through glGetImageivCHROMIUM.

gpu/command_buffer/tests/gl_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 GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 #define GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 114 matching lines @@
   Capabilities GetCapabilities() override;
   int32_t CreateImage(ClientBuffer buffer,
                       size_t width,
                       size_t height,
                       unsigned internalformat) override;
   void DestroyImage(int32_t id) override;
   int32_t CreateGpuMemoryBufferImage(size_t width,
                                      size_t height,
                                      unsigned internalformat,
                                      unsigned usage) override;
+  int32_t GetImageGpuMemoryBufferId(unsigned image_id) override;
   void SignalQuery(uint32_t query, const base::Closure& callback) override;
   void SetLock(base::Lock*) override;
   void EnsureWorkVisible() override;
   gpu::CommandBufferNamespace GetNamespaceID() const override;
   CommandBufferId GetCommandBufferID() const override;
   int32_t GetExtraCommandBufferData() const override;
   uint64_t GenerateFenceSyncRelease() override;
   bool IsFenceSyncRelease(uint64_t release) override;
   bool IsFenceSyncFlushed(uint64_t release) override;
   bool IsFenceSyncFlushReceived(uint64_t release) override;
@@ skipping 28 matching lines @@
   std::unique_ptr<gles2::GLES2Implementation> gles2_implementation_;
   bool context_lost_allowed_;
   bool pause_commands_;
   uint32_t paused_order_num_;
 
   const CommandBufferId command_buffer_id_;
   uint64_t next_fence_sync_release_;
 
   bool use_iosurface_memory_buffers_ = false;
 
+  // A map from image id to GpuMemoryBuffer id.
+  std::map<int32_t, int32_t> image_gmb_ids_map_;
+
   // Used on Android to virtualize GL for all contexts.
   static int use_count_;
   static scoped_refptr<gl::GLShareGroup>* base_share_group_;
   static scoped_refptr<gl::GLSurface>* base_surface_;
   static scoped_refptr<gl::GLContext>* base_context_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_