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

content/browser/renderer_host/render_widget_host_view_aura.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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 1651 matching lines @@
   SkRegion damage(RectToSkIRect(damage_rect));
   if (!skipped_damage_.isEmpty()) {
     damage.op(skipped_damage_, SkRegion::kUnion_Op);
     skipped_damage_.setEmpty();
   }
 
   DCHECK(surface_rect.Contains(SkIRectToRect(damage.getBounds())));
   ui::Texture* current_texture = current_surface_.get();
 
   const gfx::Size surface_size_in_pixel = surface_size;
-  DLOG_IF(ERROR, previous_texture &&
+  DLOG_IF(ERROR, previous_texture.get() &&
       previous_texture->size() != current_texture->size() &&
       SkIRectToRect(damage.getBounds()) != surface_rect) <<
       "Expected full damage rect after size change";
   if (previous_texture.get() && !previous_damage_.isEmpty() &&
       previous_texture->size() == current_texture->size()) {
     ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
     GLHelper* gl_helper = factory->GetGLHelper();
     gl_helper->CopySubBufferDamage(
         current_texture->PrepareTexture(),
         previous_texture->PrepareTexture(),
@@ skipping 1329 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content