Implemented GetWindowSnapshot on RenderViewImpl

chrome/browser/ui/window_snapshot/window_snapshot.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_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_
 #define CHROME_BROWSER_UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_
 
 #include <vector>
 
 #include "ui/gfx/native_widget_types.h"
@@ skipping 14 matching lines @@
 // the primary monitor. This takes into account calling user context (ie. checks
 // policy settings if taking screenshots is allowed), and is intended to be used
 // by browser code. If you need to take a screenshot for debugging purposes,
 // consider using GrabWindowSnapshot.
 // Returns true if the operation is successful (ie. permitted).
 bool GrabWindowSnapshotForUser(
     gfx::NativeWindow window,
     std::vector<unsigned char>* png_representation,
     const gfx::Rect& snapshot_bounds);
 
-namespace internal {
-
-// Like GrabWindowSnapshotForUser, but does not perform additional security
-// checks - just grabs a snapshot. This is intended to be used for debugging
-// purposes where no BrowserProcess instance is available (ie. tests).
-// DO NOT use in a result of user action.
-bool GrabWindowSnapshot(
-    gfx::NativeWindow window,
-    std::vector<unsigned char>* png_representation,
-    const gfx::Rect& snapshot_bounds);
-
-}  // namespace internal
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_