Aura: Fix window resizing for large drags.

ui/aura/window_delegate.h

Index: ui/aura/window_delegate.h
diff --git a/ui/aura/window_delegate.h b/ui/aura/window_delegate.h
index 5471edf723058325c79409d95cda70599ff369b3..034ad8e49edd6a7a94107a415b76418174409cf1 100644
--- a/ui/aura/window_delegate.h
+++ b/ui/aura/window_delegate.h
@@ -14,6 +14,7 @@ namespace gfx {
 class Canvas;
 class Point;
 class Rect;
+class Size;
 }
 
 namespace aura {
@@ -26,9 +27,8 @@ class TouchEvent;
 // Delegate interface for aura::Window.
 class AURA_EXPORT WindowDelegate {
  public:
-  // Called before the Window's position and/or size changes and deleage could
-  // take this opportunity to examine and change the new bounds.
-  virtual void OnBoundsChanging(gfx::Rect* new_bounds) = 0;
+  // Returns the window's minimum size, or size 0,0 if there is no limit.
+  virtual gfx::Size GetMinimumSize() const = 0;
 
   // Called when the Window's position and/or size changes.
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,