Ash: New slightly transparent window header asset
Ash: New slightly transparent window header asset

After some discussion with alcor, kuscher, et al let's try a 90% opaque header image and see how it feels.

BUG=118092
TEST=visual
TBR=sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9699011

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@126555 0039d316-1c4b-4281-b951-d872f2087c98

gavinp/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,ropik/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,adobe/chromium