views: Override Label::HitTest with the default View::HitTest for Link.

views/controls/link.h

Index: views/controls/link.h
diff --git a/views/controls/link.h b/views/controls/link.h
index 3803bbc9d8a69469996015c3fa73a04bad3491d8..548df6bcdfc845529e28ac5dd7b510de5ed8647c 100644
--- a/views/controls/link.h
+++ b/views/controls/link.h
@@ -35,6 +35,7 @@ class Link : public Label {
   virtual void OnEnabledChanged() OVERRIDE;
   virtual std::string GetClassName() const OVERRIDE;
   virtual gfx::NativeCursor GetCursor(const MouseEvent& event) OVERRIDE;
+  virtual bool HitTest(const gfx::Point& l) const OVERRIDE;
   virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const MouseEvent& event) OVERRIDE;