[MacViews] Implement colored window frames.

chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm

Index: chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm
diff --git a/chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm b/chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm
index 3356dcbb7fce26c814515eef47ba558206a9f737..3c0ebdd8e78ba03131600087edcdd80c06dff39a 100644
--- a/chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm
+++ b/chrome/browser/ui/views/apps/chrome_native_app_window_views_mac.mm
@@ -20,7 +20,8 @@ void ChromeNativeAppWindowViewsMac::OnBeforeWidgetInit(
     views::Widget::InitParams* init_params,
     views::Widget* widget) {
   DCHECK(!init_params->native_widget);
-  init_params->native_widget = new AppWindowNativeWidgetMac(widget);
+  init_params->remove_standard_frame = IsFrameless();
+  init_params->native_widget = new AppWindowNativeWidgetMac(widget, this);
   ChromeNativeAppWindowViews::OnBeforeWidgetInit(create_params, init_params,
                                                  widget);
 }
@@ -30,6 +31,11 @@ ChromeNativeAppWindowViewsMac::CreateStandardDesktopAppFrame() {
   return new NativeAppWindowFrameViewMac(widget());
 }
 
+views::NonClientFrameView*
+ChromeNativeAppWindowViewsMac::CreateNonStandardAppFrame() {
+  return new NativeAppWindowFrameViewMac(widget());
+}
+
 void ChromeNativeAppWindowViewsMac::Show() {
   if (is_hidden_with_app_) {
     // If there is a shim to gently request attention, return here. Otherwise