Move BrowserThread to content namespace.

content/browser/device_orientation/provider.cc

 // Copyright (c) 2011 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/device_orientation/provider.h"
 
 #include "base/logging.h"
 #include "content/browser/device_orientation/data_fetcher.h"
 #include "content/browser/device_orientation/provider_impl.h"
 #include "content/public/browser/browser_thread.h"
 
 #if defined(OS_MACOSX)
 #include "content/browser/device_orientation/accelerometer_mac.h"
 #endif
 
+using content::BrowserThread;
+
 namespace device_orientation {
 
 Provider* Provider::GetInstance() {
   if (!instance_) {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     const ProviderImpl::DataFetcherFactory default_factories[] = {
 #if defined(OS_MACOSX)
       AccelerometerMac::Create,
 #endif
       NULL
@@ skipping 17 matching lines @@
 }
 
 Provider::~Provider() {
   DCHECK(instance_ == this);
   instance_ = NULL;
 }
 
 Provider* Provider::instance_ = NULL;
 
 } //  namespace device_orientation