Convert DLOG/DVLOG messages in chrome.dial to VLOG.

chrome/browser/extensions/api/dial/dial_api.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 "chrome/browser/extensions/api/dial/dial_api.h"
 
 #include <vector>
 
 #include "base/time/time.h"
 #include "chrome/browser/extensions/api/dial/dial_api_factory.h"
@@ skipping 54 matching lines @@
 
 void DialAPI::OnListenerRemoved(const EventListenerInfo& details) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&DialAPI::NotifyListenerRemovedOnIOThread, this));
 }
 
 void DialAPI::NotifyListenerAddedOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  VLOG(1) << "DIAL device event listener added.";
+  VLOG(2) << "DIAL device event listener added.";
   dial_registry()->OnListenerAdded();
 }
 
 void DialAPI::NotifyListenerRemovedOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  VLOG(1) << "DIAL device event listener removed";
+  VLOG(2) << "DIAL device event listener removed";
   dial_registry()->OnListenerRemoved();
 }
 
 void DialAPI::OnDialDeviceEvent(const DialRegistry::DeviceList& devices) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
       base::Bind(&DialAPI::SendEventOnUIThread, this, devices));
 }
 
 void DialAPI::OnDialError(const DialRegistry::DialErrorCode code) {
@@ skipping 74 matching lines @@
   if (!result_)
     error_ = kDialServiceError;
 
   SetResult(new base::FundamentalValue(result_));
   return true;
 }
 
 }  // namespace api
 
 }  // namespace extensions