Fix VAO restore in CopyTextureCHROMIUM.

gpu/command_buffer/service/gles2_cmd_copy_texture_chromium.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_copy_texture_chromium.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 350 matching lines @@
                                     1.0f,  1.0f,
                                    -1.0f,  1.0f};
   glBufferData(
       GL_ARRAY_BUFFER, sizeof(kQuadVertices), kQuadVertices, GL_STATIC_DRAW);
 
   glGenFramebuffersEXT(1, &framebuffer_);
 
   if (vertex_array_object_id_) {
     glEnableVertexAttribArray(kVertexPositionAttrib);
     glVertexAttribPointer(kVertexPositionAttrib, 2, GL_FLOAT, GL_FALSE, 0, 0);
+    decoder->RestoreAllAttributes();
   }
 
-  decoder->RestoreAllAttributes();
   decoder->RestoreBufferBindings();
 
   initialized_ = true;
 }
 
 void CopyTextureCHROMIUMResourceManager::Destroy() {
   if (!initialized_)
     return;
 
   if (vertex_array_object_id_) {
@@ skipping 342 matching lines @@
   decoder->RestoreTextureState(dest_id);
   decoder->RestoreTextureUnitBindings(0);
   decoder->RestoreActiveTexture();
   decoder->RestoreProgramBindings();
   decoder->RestoreBufferBindings();
   decoder->RestoreFramebufferBindings();
   decoder->RestoreGlobalState();
 }
 
 }  // namespace gpu