convert //gpu to std::unique_ptr

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 422 matching lines @@
     output_surface_map_.Remove(data->surface_id);
   if (data->surface_id)
     GpuSurfaceTracker::Get()->RemoveSurface(data->surface_id);
   delete data;
   per_compositor_data_.erase(it);
   if (per_compositor_data_.empty()) {
     // Destroying the GLHelper may cause some async actions to be cancelled,
     // causing things to request a new GLHelper. Due to crbug.com/176091 the
     // GLHelper created in this case would be lost/leaked if we just reset()
     // on the |gl_helper_| variable directly. So instead we call reset() on a
-    // local scoped_ptr.
+    // local std::unique_ptr.
     std::unique_ptr<GLHelper> helper = std::move(gl_helper_);
 
     // If there are any observer left at this point, make sure they clean up
     // before we destroy the GLHelper.
     FOR_EACH_OBSERVER(
         ImageTransportFactoryObserver, observer_list_, OnLostResources());
 
     helper.reset();
     DCHECK(!gl_helper_) << "Destroying the GLHelper should not cause a new "
                            "GLHelper to be created.";
@@ skipping 221 matching lines @@
   FOR_EACH_OBSERVER(ImageTransportFactoryObserver,
                     observer_list_,
                     OnLostResources());
 
   // Kill things that use the shared context before killing the shared context.
   lost_gl_helper.reset();
   lost_shared_main_thread_contexts  = NULL;
 }
 
 }  // namespace content