Add dcheck to make sure the maximizable window does not have maximum size

ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
index df9ace0b9dda84a48100fd8b34e4ef4983346bd0..c28fefd1a40718bd237163b4b8f48630b89dfd23 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -696,6 +696,10 @@ gfx::Size NativeWidgetAura::GetMinimumSize() const {
 }
 
 gfx::Size NativeWidgetAura::GetMaximumSize() const {
+  // If a window havea maximum size, the window should not be

[Ben Goodger (Google), 2014/04/25 19:29:32]

have a

[tfarina, 2014/04/25 19:30:16]

s/havea/have a

Although my English is not all the good, and I don't have a proficiency level,
I'd write it as "If a window has the ..."

Just curius, if the window has the maximum size possible, doesn't that mean it
is maximized? Please, just ignore this question, if I'm asking something dumb or
non-sense.

[oshima, 2014/04/25 22:20:56]

Done.

+  // maximizable.
+  DCHECK(delegate_->GetMaximumSize().IsEmpty() ||
+         !window_->GetProperty(aura::client::kCanMaximizeKey));
   return delegate_->GetMaximumSize();
 }