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

ash/wm/resize_handle_window_targeter.cc

Index: ash/wm/resize_handle_window_targeter.cc
diff --git a/ash/wm/resize_handle_window_targeter.cc b/ash/wm/resize_handle_window_targeter.cc
index 358369a94c1a56c09c81889cc3a8f3beed6e896f..84743fbaf8af2c53f4edb7a0bda52dbecb32fc9e 100644
--- a/ash/wm/resize_handle_window_targeter.cc
+++ b/ash/wm/resize_handle_window_targeter.cc
@@ -9,6 +9,7 @@
 #include "ash/wm/immersive_fullscreen_controller.h"
 #include "ash/wm/window_state_aura.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_targeter.h"
 #include "ui/events/event.h"
 
 namespace ash {
@@ -70,8 +71,10 @@ aura::Window* ResizeHandleWindowTargeter::FindTargetForLocatedEvent(
 
     if (!insets.IsEmpty()) {
       gfx::Rect bounds = gfx::Rect(window_->bounds().size());
-      bounds.Inset(insets);
-      if (!bounds.Contains(event->location()))
+      gfx::Rect insetBounds(bounds);
+      insetBounds.Inset(insets);
+      if (!insetBounds.Contains(event->location()) &&
+          !HasIndependentChildWithEvent(window, event->location(), false))
         return window_;
     }
   }