[Reland] Add gl tests to make sure when a buffer is unmapped, all access path generates an INVALID_…

gpu/command_buffer/service/transform_feedback_manager.h

 // Copyright (c) 2016 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_SERVICE_TRANSFORM_FEEDBACK_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_TRANSFORM_FEEDBACK_MANAGER_H_
 
 #include <vector>
 
 #include "base/containers/hash_tables.h"
@@ skipping 80 matching lines @@
   // Creates a TransformFeedback from the given client/service IDs and
   // insert it into the list.
   TransformFeedback* CreateTransformFeedback(
       GLuint client_id, GLuint service_id);
 
   TransformFeedback* GetTransformFeedback(GLuint client_id);
 
   // Removes a TransformFeedback info for the given client ID.
   void RemoveTransformFeedback(GLuint client_id);
 
-  void RemoveBoundBuffer(Buffer* buffer);
-
   GLuint max_transform_feedback_separate_attribs() const {
     return max_transform_feedback_separate_attribs_;
   }
 
   bool needs_emulation() const {
     return needs_emulation_;
   }
 
   bool lost_context() const {
     return lost_context_;
   }
 
  private:
   // Info for each transform feedback in the system.
   base::hash_map<GLuint,
                  scoped_refptr<TransformFeedback> > transform_feedbacks_;
 
   GLuint max_transform_feedback_separate_attribs_;
 
   bool needs_emulation_;
   bool lost_context_;
 
   DISALLOW_COPY_AND_ASSIGN(TransformFeedbackManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TRANSFORM_FEEDBACK_MANAGER_H_