GPU: Only restore one texture unit in ScopedTextureBinder.

gpu/command_buffer/service/gl_state_restorer_impl.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.
 
 #include "gpu/command_buffer/service/gl_state_restorer_impl.h"
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 namespace gpu {
 
@@ skipping 16 matching lines @@
       static_cast<const GLStateRestorerImpl*>(prev_state);
   decoder_->RestoreState(
       restorer_impl ? restorer_impl->GetContextState() : NULL);
 }
 
 void GLStateRestorerImpl::RestoreAllTextureUnitBindings() {
   DCHECK(decoder_.get());
   decoder_->RestoreAllTextureUnitBindings(NULL);
 }
 
+void GLStateRestorerImpl::RestoreActiveTextureUnitBinding(unsigned int target) {
+  DCHECK(decoder_.get());
+  decoder_->RestoreActiveTextureUnitBinding(target);
+}
+
 void GLStateRestorerImpl::RestoreFramebufferBindings() {
   DCHECK(decoder_.get());
   decoder_->RestoreFramebufferBindings();
 }
 
 const gles2::ContextState* GLStateRestorerImpl::GetContextState() const {
   DCHECK(decoder_.get());
   return decoder_->GetContextState();
 }
 
 }  // namespace gpu