Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/power/renderer_freezer.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 "chrome/browser/chromeos/power/renderer_freezer.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 13 matching lines @@
 #include "content/public/browser/web_ui.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/notification_types.h"
 #include "extensions/browser/process_map.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/api_permission.h"
 #include "extensions/common/permissions/permissions_data.h"
 
 namespace chromeos {
 
-RendererFreezer::RendererFreezer(scoped_ptr<RendererFreezer::Delegate> delegate)
+RendererFreezer::RendererFreezer(
+    std::unique_ptr<RendererFreezer::Delegate> delegate)
     : delegate_(std::move(delegate)), weak_factory_(this) {
   delegate_->CheckCanFreezeRenderers(
       base::Bind(&RendererFreezer::OnCheckCanFreezeRenderersComplete,
                  weak_factory_.GetWeakPtr()));
 }
 
 RendererFreezer::~RendererFreezer() {
   for (int rph_id : gcm_extension_processes_) {
     content::RenderProcessHost* host =
         content::RenderProcessHost::FromID(rph_id);
@@ skipping 154 matching lines @@
     rph->AddObserver(this);
     return;
   }
 
   // We didn't find an extension in this RenderProcessHost that is using GCM so
   // we can go ahead and freeze it on suspend.
   delegate_->SetShouldFreezeRenderer(rph->GetHandle(), true);
 }
 
 }  // namespace chromeos