Implement TransformFeedbackManager in GPU command buffer.

gpu/command_buffer/service/gles2_cmd_decoder.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.
 
 // This file contains the GLES2Decoder class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 
 #include <stdint.h>
@@ skipping 25 matching lines @@
 
 namespace gles2 {
 
 class ContextGroup;
 class ErrorState;
 class GLES2Util;
 class ImageManager;
 class Logger;
 class QueryManager;
 class Texture;
+class TransformFeedbackManager;
 class VertexArrayManager;
 struct ContextState;
 
 struct DisallowedFeatures {
   DisallowedFeatures()
       : gpu_memory_manager(false),
         npot_support(false),
         chromium_color_buffer_float_rgba(false),
         chromium_color_buffer_float_rgb(false),
         ext_color_buffer_float(false),
@@ skipping 144 matching lines @@
 
   virtual void SetIgnoreCachedStateForTest(bool ignore) = 0;
   virtual void SetForceShaderNameHashingForTest(bool force) = 0;
   virtual uint32_t GetAndClearBackbufferClearBitsForTest();
   virtual size_t GetSavedBackTextureCountForTest() = 0;
   virtual size_t GetCreatedBackTextureCountForTest() = 0;
 
   // Gets the QueryManager for this context.
   virtual QueryManager* GetQueryManager() = 0;
 
+  // Gets the TransformFeedbackManager for this context.
+  virtual TransformFeedbackManager* GetTransformFeedbackManager() = 0;
+
   // Gets the VertexArrayManager for this context.
   virtual VertexArrayManager* GetVertexArrayManager() = 0;
 
   // Gets the ImageManager for this context.
   virtual ImageManager* GetImageManager() = 0;
 
   // Returns false if there are no pending queries.
   virtual bool HasPendingQueries() const = 0;
 
   // Process any pending queries.
@@ skipping 80 matching lines @@
   bool log_commands_;
   bool unsafe_es3_apis_enabled_;
   bool force_shader_name_hashing_for_test_;
   DISALLOW_COPY_AND_ASSIGN(GLES2Decoder);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_