Initial cut at multi-window resize code. There's still some TODOs, but

ui/views/mouse_watcher.h

Index: ui/views/mouse_watcher.h
diff --git a/ui/views/mouse_watcher.h b/ui/views/mouse_watcher.h
index eb82e798d59a35e0a1a8a49ee0d257364491ced0..d3cb62ae3a82d329896adc96dd0da9bb109d73a8 100644
--- a/ui/views/mouse_watcher.h
+++ b/ui/views/mouse_watcher.h
@@ -40,10 +40,10 @@ class VIEWS_EXPORT MouseWatcherHost {
   };
 
   virtual ~MouseWatcherHost();
+
   // Return false when the mouse has moved outside the monitored region.
-  virtual bool Contains(
-      const gfx::Point& screen_point,
-      MouseEventType type) = 0;
+  virtual bool Contains(const gfx::Point& screen_point,
+                        MouseEventType type) = 0;
 };
 
 // MouseWatcher is used to watch mouse movement and notify its listener when the