Move non-browser specific ScreenshotTaker code to ui/snapshot.

chrome/browser/ui/ash/chrome_screenshot_taker.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_TAKER_H_
+#define CHROME_BROWSER_UI_ASH_CHROME_SCREENSHOT_TAKER_H_
+
+#include "ash/screenshot_delegate.h"
+#include "chrome/browser/notifications/notification.h"
+#include "ui/snapshot/screenshot_taker.h"
+
+class Profile;
+
+namespace ash {
+namespace test {
+class ChromeScreenshotTakerTest;
+}  // namespace test
+}  // namespace ash
+
+class ChromeScreenshotTaker : public ash::ScreenshotDelegate,

[sky, 2014/11/20 15:03:58]

Same comment on naming.

[flackr, 2014/11/26 18:05:08]

Done.

+                              public ui::ScreenshotTakerClient,
+                              public ui::ScreenshotTakerObserver {
+ public:
+  ChromeScreenshotTaker();
+  ~ChromeScreenshotTaker() override;
+
+  ui::ScreenshotTaker* screenshot_taker() { return screenshot_taker_.get(); }
+
+  // ash::ScreenshotDelegate:
+  void HandleTakeScreenshotForAllRootWindows() override;
+  void HandleTakePartialScreenshot(aura::Window* window,
+                                   const gfx::Rect& rect) override;
+  bool CanTakeScreenshot() override;
+
+  // ui::ScreenshotTakerClient:
+  void PrepareWritableFileAndRunOnBlockingPool(
+      const base::FilePath& path,
+      scoped_refptr<base::TaskRunner> blocking_task_runner,
+      WritableFileCallback callback_on_blocking_pool) override;
+
+  // ui::ScreenshotTakerObserver:
+  void OnScreenshotCompleted(ui::ScreenshotTakerObserver::Result result,
+                             const base::FilePath& screenshot_path) override;
+
+ protected:
+  virtual Profile* GetProfile();

[sky, 2014/11/20 15:03:58]

I'm not a fan of virtuals just for tests. I much prefer injecting the profile.

[flackr, 2014/11/26 18:05:08]

Done.

+
+ private:
+  friend class ash::test::ChromeScreenshotTakerTest;
+
+#if defined(OS_CHROMEOS)
+  Notification* CreateNotification(
+      ui::ScreenshotTakerObserver::Result screenshot_result,
+      const base::FilePath& screenshot_path);
+#endif
+
+  scoped_ptr<ui::ScreenshotTaker> screenshot_taker_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeScreenshotTaker);
+};
+
+#endif  // CHROME_BROWSER_UI_ASH_CHROME_SCREENSHOT_TAKER_H_