gpu: Use decoder state restoration for scoped_binders

gpu/command_buffer/service/gles2_cmd_decoder.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/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 539 matching lines @@
   void RestoreBufferBindings() const override {
     state_.RestoreBufferBindings();
   }
   void RestoreGlobalState() const override { state_.RestoreGlobalState(NULL); }
   void RestoreProgramBindings() const override {
     state_.RestoreProgramSettings(nullptr, false);
   }
   void RestoreTextureUnitBindings(unsigned unit) const override {
     state_.RestoreTextureUnitBindings(unit, NULL);
   }
+  void RestoreVertexAttribArray(unsigned index) const override {
+    state_.RestoreVertexAttribArray(index);
+  }
   void RestoreFramebufferBindings() const override;
   void RestoreRenderbufferBindings() override;
   void RestoreTextureState(unsigned service_id) const override;
 
   void ClearAllAttributes() const override;
   void RestoreAllAttributes() const override;
 
   QueryManager* GetQueryManager() override { return query_manager_.get(); }
   TransformFeedbackManager* GetTransformFeedbackManager() override {
     return transform_feedback_manager_.get();
@@ skipping 18923 matching lines @@
 }
 
 // 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 "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu