Created min size for print preview dialog and modified to allow the

ui/aura/window_targeter.h

Index: ui/aura/window_targeter.h
diff --git a/ui/aura/window_targeter.h b/ui/aura/window_targeter.h
index 048d8ad2e472aca897fccab4dfb8c125180d45ab..b71817e9d13c330f83e88e2500991a59696f098b 100644
--- a/ui/aura/window_targeter.h
+++ b/ui/aura/window_targeter.h
@@ -14,6 +14,10 @@ class KeyEvent;
 class LocatedEvent;
 }  // namespace ui
 
+namespace gfx {
+class Point;
+}  // namespace gfx
+
 namespace aura {
 
 class Window;
@@ -60,6 +64,15 @@ class AURA_EXPORT WindowTargeter : public ui::EventTargeter {
   ui::EventTarget* FindNextBestTarget(ui::EventTarget* previous_target,
                                       ui::Event* event) override;
 
+  // Returns whether the location of the event is in an actionable region of
+  // |window| or of any of its children. Does not assume that children are
+  // restricted to the bounds of their modal parent windows. Note that |point|
+  // is in |window|'s parent's coordinate system and |location| is the original
+  // event location.
+  bool EventLocationInsideBoundsRecursive(Window* window,
+                                          gfx::Point point,
+                                          gfx::Point location);
+
  private:
   Window* FindTargetForKeyEvent(Window* root_window, const ui::KeyEvent& event);
   Window* FindTargetForNonKeyEvent(Window* root_window, ui::Event* event);