Convert Pass()→std::move() in //content/browser

content/browser/tracing/tracing_controller_impl.cc

 // Copyright (c) 2013 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/tracing/tracing_controller_impl.h"
 
 #include "base/bind.h"
 #include "base/cpu.h"
 #include "base/files/file_util.h"
 #include "base/json/string_escape.h"
 #include "base/macros.h"
@@ skipping 116 matching lines @@
 
   scoped_ptr<TracingDelegate> delegate(
       GetContentClient()->browser()->GetTracingDelegate());
   if (delegate)
     delegate->GenerateMetadataDict(metadata_dict.get());
 
   // Highres ticks.
   metadata_dict->SetBoolean("highres-ticks",
                             base::TimeTicks::IsHighResolution());
 
-  return metadata_dict.Pass();
+  return metadata_dict;
 }
 
 }  // namespace
 
 TracingController* TracingController::GetInstance() {
   return TracingControllerImpl::GetInstance();
 }
 
 TracingControllerImpl::TracingControllerImpl()
     : pending_stop_tracing_ack_count_(0),
@@ skipping 975 matching lines @@
   is_monitoring_ = is_monitoring;
 #if !defined(OS_ANDROID)
   for (std::set<TracingUI*>::iterator it = tracing_uis_.begin();
        it != tracing_uis_.end(); it++) {
     (*it)->OnMonitoringStateChanged(is_monitoring);
   }
 #endif
 }
 
 }  // namespace content