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..23cad39fa3c6df10af93518e11296714fdc46aa4 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;
@@ -166,6 +168,8 @@ class WebContentsViewAura
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
   virtual bool HasHitTestMask() const OVERRIDE;
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
+  virtual void OnLinkDisambiguationPopupRequested(
+      const gfx::Rect& target_rect, const SkBitmap& zoomed_bitmap) OVERRIDE;
 
   // Overridden from ui::EventHandler:
   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;