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 2d7df30a122ec8d00fd36c8c264e3e3c688d38ed..a9f0d021bc547de0045cc58f954548bd0426439f 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 +138,9 @@ class WebContentsViewAura
   virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE;
   virtual void GotFocus() OVERRIDE;
   virtual void TakeFocus(bool reverse) OVERRIDE;
+  virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
+                                       const SkBitmap& zoomed_bitmap) OVERRIDE;
+  virtual void HideDisambiguationPopup() OVERRIDE;
 
   // Overridden from OverscrollControllerDelegate:
   virtual gfx::Rect GetVisibleBounds() const OVERRIDE;