Fix menu corners: the menu background was being painted as a rect when in fact,

ui/views/controls/menu/menu_host.cc

Index: ui/views/controls/menu/menu_host.cc
diff --git a/ui/views/controls/menu/menu_host.cc b/ui/views/controls/menu/menu_host.cc
index bea46ac169922e5271b83a90b6788360a65e1370..a456a3f88baf27203c3c094e06a4a9d21ea39f11 100644
--- a/ui/views/controls/menu/menu_host.cc
+++ b/ui/views/controls/menu/menu_host.cc
@@ -36,6 +36,8 @@ void MenuHost::InitMenuHost(Widget* parent,
   params.has_dropshadow = true;
   params.parent = parent ? parent->GetNativeView() : NULL;
   params.bounds = bounds;
+  if (MenuConfig::instance(ui::NativeTheme::instance()).has_rounded_corners)

[sky, 2013/01/25 16:10:52]

Don't use ui::NativeTheme::instance() here, it might be wrong. Instead change
this to take a NativeTheme that is passed through.

[varunjain, 2013/01/25 18:50:40]

Done.

+    params.transparent = true;
   Init(params);
 
   if (ui::NativeTheme::IsNewMenuStyleEnabled()) {

[sky, 2013/01/25 16:10:52]

Only do this if there are rounded corners.

[varunjain, 2013/01/25 18:50:40]

Done.

@@ -46,6 +48,8 @@ void MenuHost::InitMenuHost(Widget* parent,
   }
 
   SetContentsView(contents_view);
+  if (MenuConfig::instance(ui::NativeTheme::instance()).has_rounded_corners)
+    SetOpacity(0);
   ShowMenuHost(do_capture);
 }