Refactors away method implementations in ui::EventTargeter

ash/utility/partial_screenshot_controller.cc

 // 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.
 
 #include "ash/utility/partial_screenshot_controller.h"
 
 #include <cmath>
 
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "base/stl_util.h"
 #include "ui/compositor/paint_recorder.h"
+#include "ui/events/event.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/canvas.h"
 #include "ui/wm/core/cursor_manager.h"
 
 namespace ash {
 
 namespace {
 
 // The size to increase the invalidated area in the layer to repaint. The area
 // should be slightly bigger than the actual region because the region indicator
@@ skipping 234 matching lines @@
     return;
   Cancel();
 }
 
 void PartialScreenshotController::OnDisplayMetricsChanged(
     const gfx::Display& display,
     uint32_t changed_metrics) {
 }
 
 }  // namespace ash