Renames WmShell to ShellPort

ash/wm/gestures/overview_gesture_handler.cc

 // Copyright 2013 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/wm/gestures/overview_gesture_handler.h"
 
 #include "ash/shell.h"
+#include "ash/shell_port.h"
 #include "ash/wm/overview/window_selector_controller.h"
-#include "ash/wm_shell.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 
 namespace ash {
 
 // The threshold before engaging overview with a touchpad three-finger scroll.
 const float OverviewGestureHandler::vertical_threshold_pixels_ = 300;
 
 // The threshold before moving selector horizontally when using a touchpad
 // three-finger scroll.
@@ skipping 39 matching lines @@
       return false;
   } else {
     if (scroll_y_ > 0)
       scroll_x_ = scroll_y_ = 0;
     if (scroll_y_ > -vertical_threshold_pixels_)
       return false;
   }
 
   // Reset scroll amount on toggling.
   scroll_x_ = scroll_y_ = 0;
-  WmShell::Get()->RecordUserMetricsAction(UMA_TOUCHPAD_GESTURE_OVERVIEW);
+  ShellPort::Get()->RecordUserMetricsAction(UMA_TOUCHPAD_GESTURE_OVERVIEW);
   if (window_selector_controller->IsSelecting() &&
       window_selector_controller->AcceptSelection()) {
     return true;
   }
   window_selector_controller->ToggleOverview();
   return true;
 }
 
 }  // namespace ash