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

ui/aura/window.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 "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 140 matching lines @@
   // Disconnect the old layer, but don't delete it.
   ui::Layer* old_layer = AcquireLayer();
   if (!old_layer)
     return NULL;
 
   old_layer->set_delegate(NULL);
   float mailbox_scale_factor;
   cc::TextureMailbox old_mailbox =
       old_layer->GetTextureMailbox(&mailbox_scale_factor);
   scoped_refptr<ui::Texture> old_texture = old_layer->external_texture();
-  if (delegate_ && old_texture)
+  if (delegate_ && old_texture.get())
     old_layer->SetExternalTexture(delegate_->CopyTexture());
 
   layer_ = new ui::Layer(old_layer->type());
   layer_owner_.reset(layer_);
   layer_->SetVisible(old_layer->visible());
   layer_->set_scale_content(old_layer->scale_content());
   layer_->set_delegate(this);
   layer_->SetMasksToBounds(old_layer->GetMasksToBounds());
   // Move the original texture to the new layer if the old layer has a
   // texture and we could copy it into the old layer,
   // crbug.com/175211.
-  if (delegate_ && old_texture) {
-    layer_->SetExternalTexture(old_texture);
+  if (delegate_ && old_texture.get()) {
+    layer_->SetExternalTexture(old_texture.get());
   } else if (old_mailbox.IsSharedMemory()) {
     base::SharedMemory* old_buffer = old_mailbox.shared_memory();
     const size_t size = old_mailbox.shared_memory_size_in_bytes();
 
     scoped_ptr<base::SharedMemory> new_buffer(new base::SharedMemory);
     new_buffer->CreateAndMapAnonymous(size);
 
     if (old_buffer->memory() && new_buffer->memory()) {
       memcpy(new_buffer->memory(), old_buffer->memory(), size);
       base::SharedMemory* new_buffer_raw_ptr = new_buffer.get();
@@ skipping 947 matching lines @@
   bool contains_mouse = false;
   if (IsVisible()) {
     RootWindow* root_window = GetRootWindow();
     contains_mouse = root_window &&
         ContainsPointInRoot(root_window->GetLastMouseLocationInRoot());
   }
   return contains_mouse;
 }
 
 }  // namespace aura