Revert 149604 - Support calling GrabWindowSnapshot when no BrowserProcess instance is avaliable (eg…

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 UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_
-#define UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_
-
-#include <vector>
-
-#include "ui/base/ui_export.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace ui {
-
-// Grabs a snapshot of the rectangle area |snapshot_bounds| with respect to the
-// top left corner of the designated window and stores a PNG representation
-// into a byte vector. On Windows, |window| may be NULL to grab a snapshot of
-// the primary monitor. DO NOT use in browser code. Screenshots initiated by
-// user action should be taken with chrome::GrabWindowSnapshot
-// (chrome/browser/ui/window_snapshot/window_snapshot.cc), so user context is
-// taken into account (eg. policy settings are checked).
-// Returns true if the operation is successful.
-UI_EXPORT bool GrabWindowSnapshot(
-    gfx::NativeWindow window,
-    std::vector<unsigned char>* png_representation,
-    const gfx::Rect& snapshot_bounds);
-
-}  // namespace chrome
-
-#endif  // UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_