Add frame color option to packaged app windows.

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

Index: chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm b/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
index a6a01ad9e2128256b143b2889f99dd536260f8a8..1fcd0a5467d689c1ea95bef297be5a5685b7a00b 100644
--- a/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
@@ -835,6 +835,16 @@ bool NativeAppWindowCocoa::IsFrameless() const {
   return !has_frame_;
 }
 
+bool NativeAppWindowCocoa::HasFrameColor() const {
+  // TODO(benwells): Implement this.
+  return false;
+}
+
+SkColor NativeAppWindowCocoa::FrameColor() const {
+  // TODO(benwells): Implement this.
+  return SkColor();
+}
+
 gfx::Insets NativeAppWindowCocoa::GetFrameInsets() const {
   if (!has_frame_)
     return gfx::Insets();