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

ui/aura/demo/demo_main.cc

Index: ui/aura/demo/demo_main.cc
diff --git a/ui/aura/demo/demo_main.cc b/ui/aura/demo/demo_main.cc
index 91c95d3cf06739fbd1c79c4b3c4b6f235f541cd1..e8f935f1141d0cec04842fe1d99c024a82cb68f0 100644
--- a/ui/aura/demo/demo_main.cc
+++ b/ui/aura/demo/demo_main.cc
@@ -38,6 +38,11 @@ class DemoWindowDelegate : public aura::WindowDelegate {
   virtual gfx::Size GetMinimumSize() const OVERRIDE {
     return gfx::Size();
   }
+
+  virtual gfx::Size GetMaximumSize() const OVERRIDE {
+    return gfx::Size();
+  }
+
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) OVERRIDE {}
   virtual void OnFocus(aura::Window* old_focused_window) OVERRIDE {}