Make the NNTP listen for the correct theme changed notification.
Make the NNTP listen for the correct theme changed notification.

BUG=17565
TEST=Install a theme, reset the theme, verify that the NNTP changes correctly in both cases.

Review URL: http://codereview.chromium.org/160027

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@21507 0039d316-1c4b-4281-b951-d872f2087c98

ropik/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,ropik/chromium,adobe/chromium,ropik/chromium,ropik/chromium,ropik/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,ropik/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium