Implement Mac Pop-up Dictionary for OOPIF.

third_party/WebKit/Source/web/WebFrameWidgetBase.h

Index: third_party/WebKit/Source/web/WebFrameWidgetBase.h
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetBase.h b/third_party/WebKit/Source/web/WebFrameWidgetBase.h
index 1609eeae4e4a11ebe9d95908957dbaa6a6401fdd..6307487b09d4b88c8e6b4b5c6d0b77e8fa2a37fc 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetBase.h
+++ b/third_party/WebKit/Source/web/WebFrameWidgetBase.h
@@ -14,6 +14,8 @@ class CompositorAnimationTimeline;
 class CompositorProxyClient;
 class GraphicsLayer;
 class WebLayer;
+class HitTestResult;
+struct WebPoint;
 
 class WebFrameWidgetBase : public WebFrameWidget {
 public:
@@ -32,6 +34,8 @@ public:
     // 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);