Take screenshot of active window

chrome/browser/ui/ash/chrome_screenshot_grabber.h

 // Copyright 2014 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_CHROME_SCREENSHOT_GRABBER_H_
 #define CHROME_BROWSER_UI_ASH_CHROME_SCREENSHOT_GRABBER_H_
 
 #include "ash/screenshot_delegate.h"
 #include "base/macros.h"
 #include "build/build_config.h"
@@ skipping 16 matching lines @@
   ~ChromeScreenshotGrabber() override;
 
   ui::ScreenshotGrabber* screenshot_grabber() {
     return screenshot_grabber_.get();
   }
 
   // ash::ScreenshotDelegate:
   void HandleTakeScreenshotForAllRootWindows() override;
   void HandleTakePartialScreenshot(aura::Window* window,
                                    const gfx::Rect& rect) override;
+  void HandleTakeWindowScreenshot(aura::Window* window) override;
   bool CanTakeScreenshot() override;
 
   // ui::ScreenshotGrabberDelegate:
   void PrepareFileAndRunOnBlockingPool(
       const base::FilePath& path,
       scoped_refptr<base::TaskRunner> blocking_task_runner,
       const FileCallback& callback_on_blocking_pool) override;
 
   // ui::ScreenshotGrabberObserver:
   void OnScreenshotCompleted(ui::ScreenshotGrabberObserver::Result result,
@@ skipping 11 matching lines @@
   void SetProfileForTest(Profile* profile);
   Profile* GetProfile();
 
   std::unique_ptr<ui::ScreenshotGrabber> screenshot_grabber_;
   Profile* profile_for_test_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeScreenshotGrabber);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_SCREENSHOT_GRABBER_H_