Crash when taking screenshot onto Chrome OS Google Drive

chrome/browser/ui/ash/screenshot_taker.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_UI_ASH_SCREENSHOT_TAKER_H_
 #define CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
 
 #include "ash/screenshot_delegate.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 31 matching lines @@
   virtual void OnScreenshotCompleted(
       Result screenshot_result,
       const base::FilePath& screenshot_path) = 0;
 
  protected:
   virtual ~ScreenshotTakerObserver() {}
 };
 
 class ScreenshotTaker : public ash::ScreenshotDelegate {
  public:
-  explicit ScreenshotTaker(Profile* profile);
+  ScreenshotTaker();
 
   virtual ~ScreenshotTaker();
 
   // Overridden from ash::ScreenshotDelegate:
   virtual void HandleTakeScreenshotForAllRootWindows() OVERRIDE;
   virtual void HandleTakePartialScreenshot(aura::Window* window,
                                            const gfx::Rect& rect) OVERRIDE;
   virtual bool CanTakeScreenshot() OVERRIDE;
 
   void ShowNotification(
       ScreenshotTakerObserver::Result screenshot_result,
       const base::FilePath& screenshot_path);
 
   void AddObserver(ScreenshotTakerObserver* observer);
   void RemoveObserver(ScreenshotTakerObserver* observer);
   bool HasObserver(ScreenshotTakerObserver* observer) const;
 
  private:
   friend class ash::test::ScreenshotTakerTest;
 
+  Profile* GetProfile();
   void SetScreenshotDirectoryForTest(const base::FilePath& directory);
   void SetScreenshotBasenameForTest(const std::string& basename);
-
-  Profile* profile_;
+  void SetScreenshotProfileForTest(Profile* profile);
 
   base::WeakPtrFactory<ScreenshotTaker> factory_;
 
   // The timestamp when the screenshot task was issued last time.
   base::Time last_screenshot_timestamp_;
 
   ObserverList<ScreenshotTakerObserver> observers_;
+
   base::FilePath screenshot_directory_for_test_;
   std::string screenshot_basename_for_test_;
+  Profile* profile_for_test_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenshotTaker);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_