Revert 285416 "Make chrome app colored frames available on Chrom..."

This isn't right from a UI perspective. Needs to be reimplemented and put
through UI review.

> Make chrome app colored frames available on ChromeOS.
> 
> This feature has been available on Windows and Mac for some time, but
> was never made available on ChromeOS.
> 
> BUG=371642
> 
> Review URL: https://codereview.chromium.org/407073002

TBR=benwells@chromium.org

Review URL: https://codereview.chromium.org/442853004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287661 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

@@ -527,7 +527,7 @@ views::NonClientFrameView* ChromeNativeAppWindowViews::CreateNonClientFrameView(
       return frame_view;
     }
 
-    if (IsFrameless() || has_frame_color_)
+    if (IsFrameless())
       return CreateNonStandardAppFrame();
 
     ash::CustomFrameViewAsh* custom_frame_view =