Switch about box to web ui on Windows.

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_H_
-#define CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_H_
+#ifndef CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
+#define CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
-#if defined(OS_WIN)
 #include "google_update/google_update_idl.h"
-#endif
 
 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.
   UPGRADE_CHECK_STARTED,
   // An update is available.
   UPGRADE_IS_AVAILABLE,
   // The upgrade happened successfully.
   UPGRADE_SUCCESSFUL,
-  // No need to upgrade, we are up to date.
+  // No need to upgrade, Chrome is up to date.
   UPGRADE_ALREADY_UP_TO_DATE,
   // An error occurred.
   UPGRADE_ERROR,
 };
 
 enum GoogleUpdateErrorCode {
   // The upgrade completed successfully (or hasn't been started yet).
   GOOGLE_UPDATE_NO_ERROR = 0,
   // Google Update only supports upgrading if Chrome is installed in the default
   // location. This error will appear for developer builds and with
@@ skipping 45 matching lines @@
 class GoogleUpdate : public base::RefCountedThreadSafe<GoogleUpdate> {
  public:
   GoogleUpdate();
 
   // Ask Google Update to see if a new version is available. If the parameter
   // |install_if_newer| is true then Google Update will also install that new
   // version.
   // |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 CheckForUpdate(bool install_if_newer, views::Widget* window);
+  void CheckForUpdate(bool install_if_newer, HWND window);
 
   // Pass NULL to clear the listener
   void set_status_listener(GoogleUpdateStatusListener* listener) {
     listener_ = listener;
   }
 
  private:
   friend class base::RefCountedThreadSafe<GoogleUpdate>;
 
   virtual ~GoogleUpdate();
 
-// The chromeos implementation is in browser/chromeos/google_update.cpp
-
-#if defined(OS_WIN)
-
   // 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);
 
-#endif
-
-  // We need to run the update check on another thread than the main thread, and
+  // 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 we want the response to come from.
+  // 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, views::Widget* window,
+  void InitiateGoogleUpdateCheck(bool install_if_newer, HWND window,
                                  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_H_
+#endif  // CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_