Move MessageLoop to base namespace.

chrome/browser/google/google_update_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
 #define CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "google_update/google_update_idl.h"
 
+namespace base {
 class MessageLoop;
+}
+
 namespace views {
 class Widget;
 }
 
 // The status of the upgrade. UPGRADE_STARTED and UPGRADE_CHECK_STARTED are
 // internal states and will not be reported as results to the listener.
 enum GoogleUpdateUpgradeResult {
   // The upgrade has started.
   UPGRADE_STARTED = 0,
   // A check for upgrade has been initiated.
@@ skipping 77 matching lines @@
 
  private:
   friend class base::RefCountedThreadSafe<GoogleUpdate>;
 
   virtual ~GoogleUpdate();
 
   // This function reports failure from the Google Update operation to the
   // listener.
   // Note, after this function completes, this object will have deleted itself.
   bool ReportFailure(HRESULT hr, GoogleUpdateErrorCode error_code,
-                     const string16& error_message, MessageLoop* main_loop);
+                     const string16& error_message,
+                     base::MessageLoop* main_loop);
 
   // The update check needs to run on another thread than the main thread, and
   // therefore CheckForUpdate will delegate to this function. |main_loop| points
   // to the message loop that the response must come from.
   // |window| should point to a foreground window. This is needed to ensure that
   // Vista/Windows 7 UAC prompts show up in the foreground. It may also be null.
   void InitiateGoogleUpdateCheck(bool install_if_newer, HWND window,
-                                 MessageLoop* main_loop);
+                                 base::MessageLoop* main_loop);
 
   // This function reports the results of the GoogleUpdate operation to the
   // listener. If results indicates an error, the |error_code| and
   // |error_message| will indicate which error occurred.
   // Note, after this function completes, this object will have deleted itself.
   void ReportResults(GoogleUpdateUpgradeResult results,
                      GoogleUpdateErrorCode error_code,
                      const string16& error_message);
 
   // Which version string Google Update found (if a new one was available).
   // Otherwise, this will be blank.
   string16 version_available_;
 
   // The listener who is interested in finding out the result of the operation.
   GoogleUpdateStatusListener* listener_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleUpdate);
 };
 
 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_