browser: Move more files into chrome namespace.

chrome/browser/idle_query_linux.h

 // 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.
 
 #ifndef CHROME_BROWSER_IDLE_QUERY_LINUX_H_
 #define CHROME_BROWSER_IDLE_QUERY_LINUX_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
-namespace browser {
+namespace chrome {
 
 class IdleData;
 
 class IdleQueryLinux {
  public:
   IdleQueryLinux();
   ~IdleQueryLinux();
 
   int IdleTime();
 
  private:
   scoped_ptr<IdleData> idle_data_;
 
   DISALLOW_COPY_AND_ASSIGN(IdleQueryLinux);
 };
 
-}  // namespace browser
+}  // namespace chrome
 
 #endif  // CHROME_BROWSER_IDLE_QUERY_LINUX_H_