Update gpu/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

gpu/command_buffer/service/context_state.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.
 
 // This file contains the ContextState class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 
 #include <vector>
@@ skipping 52 matching lines @@
         return bound_texture_external_oes;
       case GL_SAMPLER_2D_RECT_ARB:
         return bound_texture_rectangle_arb;
     }
 
     NOTREACHED();
     return NULL;
   }
 
   void Unbind(TextureRef* texture) {
-    if (bound_texture_2d == texture) {
+    if (bound_texture_2d.get() == texture) {
       bound_texture_2d = NULL;
     }
-    if (bound_texture_cube_map == texture) {
+    if (bound_texture_cube_map.get() == texture) {
       bound_texture_cube_map = NULL;
     }
-    if (bound_texture_external_oes == texture) {
+    if (bound_texture_external_oes.get() == texture) {
       bound_texture_external_oes = NULL;
     }
   }
 };
 
 struct Vec4 {
   Vec4() {
     v[0] = 0.0f;
     v[1] = 0.0f;
     v[2] = 0.0f;
@@ skipping 77 matching lines @@
 
  private:
   scoped_ptr<ErrorState> error_state_;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_