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 e71ac932cd98197433eb25e0ecd953aaa40f6940..04bf4066240414b63c52f4be27f88e0526dc42d4 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetBase.h
+++ b/third_party/WebKit/Source/web/WebFrameWidgetBase.h
@@ -13,6 +13,8 @@ namespace blink {
 class CompositorAnimationTimeline;
 class CompositorProxyClient;
 class GraphicsLayer;
+class HitTestResult;
+struct WebPoint;
 
 class WebFrameWidgetBase : public WebFrameWidget {
 public:
@@ -28,6 +30,8 @@ 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);