Views fuzzing for Aura and Windows

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index 2d028ef289e32b96e6c48006160f5199f2ad9af8..407ceaa0281c1fe67858de9daeda8463a5d8804b 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -410,6 +410,15 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
                                    const View* target,
                                    gfx::Point* point);
 
+  // Convert |rect| from the coordinate system of one View to another.
+  //
+  // |source| and |target| must be in the same widget, but doesn't need to be in
+  // the same view hierarchy.
+  // |source| can be NULL in which case it means the screen coordinate system.
+  static void ConvertRectToTarget(const View* source,
+                                  const View* target,
+                                  gfx::Rect* rect);
+
   // Convert a point from a View's coordinate system to that of its Widget.
   static void ConvertPointToWidget(const View* src, gfx::Point* point);
 
@@ -500,7 +509,23 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // view's coordinates, except for a RootView.
 
   // Returns the deepest visible descendant that contains the specified point.
-  virtual View* GetEventHandlerForPoint(const gfx::Point& point);
+  View* GetEventHandlerForPoint(const gfx::Point& point);
+
+  // Returns the appropriate event handler for the given touch rect.
+  View* GetEventHandlerForRect(const gfx::Rect& rect);
+
+  // Flags the event type, so that a single GetEvent routine can handle both.
+  enum EventType { EVENT_HANDLER_TYPE_MOUSE, EVENT_HANDLER_TYPE_TOUCH };
+
+  // Returns the appropriate event handler for the given |rect|. Location will
+  // either be a rect (for a touch event) or a point (as a 1X1 rect) for a
+  // mouse event.
+  // Considers the bounding rectangles of all leaf descendant views that have
+  // at least views::kFuzzingOverlapPercentage of their area covered by
+  // |rect|. Among these rectangles, choose one that is closest to the center
+  // line of |rect| and return its corresponding View. If there are no such
+  // rectangles, NULL is returned.
+  virtual View* GetEventHandler(const gfx::Rect& rect, EventType type);
 
   // Return the cursor that should be used for this view or the default cursor.
   // The event location is in the receiver's coordinate system. The caller is