Move Singleton and related structs to namespace base

content/browser/power_profiler/power_profiler_service.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/power_profiler/power_profiler_service.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 42 matching lines @@
       return "High";
     case PowerDataProvider::Moderate:
       return "Moderate";
     case PowerDataProvider::Low:
       return "Low";
   }
   return "";
 }
 
 PowerProfilerService* PowerProfilerService::GetInstance() {
-  return Singleton<PowerProfilerService>::get();
+  return base::Singleton<PowerProfilerService>::get();
 }
 
 void PowerProfilerService::AddObserver(PowerProfilerObserver* observer) {
   if (status_ == UNINITIALIZED)
     return;
 
   observers_.AddObserver(observer);
   if (status_ != PROFILING)
     Start();
 }
@@ skipping 39 matching lines @@
 
   // Get data and notify.
   PowerEventVector events = data_provider_->GetData();
   if (events.size() != 0) {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
         &PowerProfilerService::Notify, base::Unretained(this), events));
   }
 }
 
 }  // namespace content