Adds link disambiguation popup support to Windows.

content/browser/web_contents/web_contents_view_aura.h

Index: content/browser/web_contents/web_contents_view_aura.h
diff --git a/content/browser/web_contents/web_contents_view_aura.h b/content/browser/web_contents/web_contents_view_aura.h
index a615c3486b2bb9aac0037ec337955aea43fc7db1..ab674a638b26315a15e92b4bfa8e398a356d8813 100644
--- a/content/browser/web_contents/web_contents_view_aura.h
+++ b/content/browser/web_contents/web_contents_view_aura.h
@@ -102,6 +102,8 @@ class WebContentsViewAura
 
   void OverscrollUpdateForWebContentsDelegate(int delta_y);
 
+  void ProcessLinkDisambiguationGesture(ui::GestureEvent* event);
+
   // Overridden from WebContentsView:
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
@@ -136,6 +138,10 @@ class WebContentsViewAura
   virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE;
   virtual void GotFocus() OVERRIDE;
   virtual void TakeFocus(bool reverse) OVERRIDE;
+#if defined(OS_WIN)
+  virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
+                                       const SkBitmap& zoomed_bitmap) OVERRIDE;
+#endif
 
   // Overridden from OverscrollControllerDelegate:
   virtual gfx::Rect GetVisibleBounds() const OVERRIDE;