Elevated install of recovery component (UI part).

chrome/browser/upgrade_detector_impl.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_UPGRADE_DETECTOR_IMPL_H_
 #define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "base/version.h"
 #include "chrome/browser/upgrade_detector.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
 class UpgradeDetectorImpl : public UpgradeDetector {
  public:
   virtual ~UpgradeDetectorImpl();
 
   // Returns the currently installed Chrome version, which may be newer than the
   // one currently running. Not supported on Android, iOS or ChromeOS. Must be
   // run on a thread where I/O operations are allowed (e.g. FILE thread).
   static base::Version GetCurrentlyInstalledVersion();
 
   // Returns the singleton instance.
   static UpgradeDetectorImpl* GetInstance();
 
+  // Launches a task on the file thread to check if we have the latest version.
+  virtual void CheckForUpgrade() OVERRIDE;
+
  private:
   friend struct DefaultSingletonTraits<UpgradeDetectorImpl>;
 
   UpgradeDetectorImpl();
 
   // Start the timer that will call |CheckForUpgrade()|.
   void StartTimerForUpgradeCheck();
 
-  // Launches a task on the file thread to check if we have the latest version.
-  void CheckForUpgrade();
-
   // Sends out a notification and starts a one shot timer to wait until
   // notifying the user.
-  void UpgradeDetected(UpgradeAvailable upgrade_available);
+  void UpgradeStatusChanged(UpgradeAvailable upgrade_available);
+
+  static void NotifyNoUpgrade(
+      base::WeakPtr<UpgradeDetectorImpl> upgrade_detector);
+
+  // Returns true after calling UpgradeDetected if elevation is needed to
+  // upgrade or fix broken Omaha/Chrome.
+  bool DetectElevationNeeded();
 
   // Returns true after calling UpgradeDetected if current install is outdated.
   bool DetectOutdatedInstall();
 
   // The function that sends out a notification (after a certain time has
   // elapsed) that lets the rest of the UI know we should start notifying the
   // user that a new version is available.
-  void NotifyOnUpgrade();
+  void NotifyUpgradeStatusChanged();
 
   // Called on the FILE thread to detect an upgrade. Calls back UpgradeDetected
   // on the UI thread if so. Although it looks weird, this needs to be a static
   // method receiving a WeakPtr<> to this object so that we can interrupt
   // the UpgradeDetected callback before it runs. Having this method non-static
   // and using |this| directly wouldn't be thread safe. And keeping it as a
   // non-class function would prevent it from calling UpgradeDetected.
   static void DetectUpgradeTask(
       base::WeakPtr<UpgradeDetectorImpl> upgrade_detector);
 
@@ skipping 16 matching lines @@
   bool is_auto_update_enabled_;
 
   // The date the binaries were built.
   base::Time build_date_;
 
   DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl);
 };
 
 
 #endif  // CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_