Implement Mac Pop-up Dictionary for OOPIF.

third_party/WebKit/Source/web/WebFrameWidgetBase.h

 // 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.
 
 #ifndef WebFrameWidgetBase_h
 #define WebFrameWidgetBase_h
 
 #include "public/web/WebFrameWidget.h"
 #include "wtf/Assertions.h"
 
 namespace blink {
 
 class CompositorAnimationTimeline;
 class CompositorProxyClient;
 class GraphicsLayer;
+class HitTestResult;
+struct WebPoint;
 
 class WebFrameWidgetBase : public WebFrameWidget {
 public:
     virtual bool forSubframe() const = 0;
     virtual void scheduleAnimation() = 0;
     virtual CompositorProxyClient* createCompositorProxyClient() = 0;
     virtual WebWidgetClient* client() const = 0;
 
     // Sets the root graphics layer. |GraphicsLayer| can be null when detaching
     // the root layer.
     virtual void setRootGraphicsLayer(GraphicsLayer*) = 0;
 
     // Attaches/detaches a CompositorAnimationTimeline to the layer tree.
     virtual void attachCompositorAnimationTimeline(CompositorAnimationTimeline*) = 0;
     virtual void detachCompositorAnimationTimeline(CompositorAnimationTimeline*) = 0;
+
+    virtual HitTestResult coreHitTestResultAt(const WebPoint&) = 0;
 };
 
 DEFINE_TYPE_CASTS(WebFrameWidgetBase, WebFrameWidget, widget, true, true);
 
 } // namespace blink
 
 #endif