Cleanup SurfaceVisibility code.

gpu/command_buffer/client/gles2_implementation.cc

 // 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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 322 matching lines @@
   // Flush previously entered commands to ensure ordering with any
   // glBeginQueryEXT() calls that may have been put into the context.
   ShallowFlushCHROMIUM();
   gpu_control_->SignalQuery(
       query,
       base::Bind(&GLES2Implementation::RunIfContextNotLost,
                  weak_ptr_factory_.GetWeakPtr(),
                  callback));
 }
 
-void GLES2Implementation::SetSurfaceVisible(bool visible) {
-  TRACE_EVENT1(
-      "gpu", "GLES2Implementation::SetSurfaceVisible", "visible", visible);
-  ShallowFlushCHROMIUM();
-  gpu_control_->SetSurfaceVisible(visible);
-}
-
 void GLES2Implementation::SetAggressivelyFreeResources(
     bool aggressively_free_resources) {
   TRACE_EVENT1("gpu", "GLES2Implementation::SetAggressivelyFreeResources",
                "aggressively_free_resources", aggressively_free_resources);
   aggressively_free_resources_ = aggressively_free_resources;
 
   if (aggressively_free_resources_ && helper_->HaveRingBuffer()) {
     // Ensure that we clean up as much cache memory as possible and fully flush.
     FlushDriverCachesCHROMIUM();
 
@@ skipping 6018 matching lines @@
   CheckGLError();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu