Prevents windows in chromeos from resizing bigger than their maximum size.

ash/wm/custom_frame_view_ash.cc

Index: ash/wm/custom_frame_view_ash.cc
diff --git a/ash/wm/custom_frame_view_ash.cc b/ash/wm/custom_frame_view_ash.cc
index 48a4ff7d6514176648e0ae1091e4438af2fe525d..bb3c15222ff1683d3daa2c29ed696755c44a1879 100644
--- a/ash/wm/custom_frame_view_ash.cc
+++ b/ash/wm/custom_frame_view_ash.cc
@@ -149,6 +149,10 @@ gfx::Size CustomFrameViewAsh::GetMinimumSize() {
   return frame_painter_->GetMinimumSize(this);
 }
 
+gfx::Size CustomFrameViewAsh::GetMaximumSize() {
+  return frame_painter_->GetMaximumSize(this);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // views::ButtonListener overrides:
 void CustomFrameViewAsh::ButtonPressed(views::Button* sender,