Remove FrameHost class

third_party/WebKit/Source/web/WebFrameWidgetBase.cpp

 // Copyright 2016 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 "web/WebFrameWidgetBase.h"
 
 #include "core/dom/DocumentUserGestureToken.h"
-#include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/VisualViewport.h"
 #include "core/input/EventHandler.h"
 #include "core/page/DragActions.h"
 #include "core/page/DragController.h"
 #include "core/page/DragData.h"
 #include "core/page/DragSession.h"
 #include "core/page/Page.h"
 #include "core/page/PointerLockController.h"
 #include "platform/UserGestureIndicator.h"
@@ skipping 250 matching lines @@
 
   if (page()) {
     WebMouseEvent transformedEvent = TransformWebMouseEvent(
         toWebLocalFrameImpl(localRoot())->frameView(), mouseEvent);
     page()->pointerLockController().dispatchLockedMouseEvent(transformedEvent,
                                                              eventType);
   }
 }
 
 }  // namespace blink