Cleanup SurfaceVisibility code.

gpu/command_buffer/client/gles2_implementation.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_CLIENT_GLES2_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 
 #include <list>
 #include <map>
 #include <queue>
@@ skipping 238 matching lines @@
 
   void FreeUnusedSharedMemory();
   void FreeEverything();
 
   // ContextSupport implementation.
   void SignalSyncPoint(uint32 sync_point,
                        const base::Closure& callback) override;
   void SignalSyncToken(const gpu::SyncToken& sync_token,
                        const base::Closure& callback) override;
   void SignalQuery(uint32 query, const base::Closure& callback) override;
-  void SetSurfaceVisible(bool visible) override;
   void SetAggressivelyFreeResources(bool aggressively_free_resources) override;
 
   // base::trace_event::MemoryDumpProvider implementation.
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                     base::trace_event::ProcessMemoryDump* pmd) override;
 
   void SetErrorMessageCallback(
       GLES2ImplementationErrorMessageCallback* callback) {
     error_message_callback_ = callback;
   }
@@ skipping 576 matching lines @@
 
 inline bool GLES2Implementation::GetTexParameterivHelper(
     GLenum /* target */, GLenum /* pname */, GLint* /* params */) {
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_