Fixes bug in toolkit_views. We shouldn't set the theme provider for

widget_gtk when building chromeos build. We need a #ifdef for
CHROMEOS but not using TOOLKIT_VIEWs for the browser window. I'm
temporarily adding this one.

This bug is the result of Oshima making TOOLKIT_VIEWS set OS_CHROMEOS.

Review URL: http://codereview.chromium.org/270092

git-svn-id: http://src.chromium.org/svn/trunk/src/build@28916 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -269,6 +269,9 @@
       ['toolkit_views==1', {
         'defines': ['TOOLKIT_VIEWS=1'],
       }],
+      ['chromeos==1', {
+        'defines': ['CHROMEOS_TRANSITIONAL=1'],
+      }],
       ['chromeos==1 or toolkit_views==1', {
         'defines': ['OS_CHROMEOS=1'],
       }],