Revert 154891 "Expose a way to set a view's base background color."

It looks like this CL broke webkit_unit_tests on Android bots
http://build.chromium.org/p/chromium.webkit/builders/Android%20Tests%20%28dbg%29
http://build.chromium.org/p/chromium.webkit/builders/Android%20Tests%20%28dbg%29/builds/11195/steps/webkit_unit_tests/logs/stdio

> Expose a way to set a view's base background color.
> 
> BUG=263263
> 
> Review URL: https://chromiumcodereview.appspot.com/19883002

TBR=joth@chromium.org

Review URL: https://codereview.chromium.org/20199003

git-svn-id: svn://svn.chromium.org/blink/trunk@154902 bbb929c8-8fbe-4397-9dbb-9b2b20218538