Changed some sync error strings. "Sync needs your attention" -> "Sync failed" "Configure password sync" -> "Please update your sync passphrase"
Changed some sync error strings.
"Sync needs your attention" -> "Sync failed"
"Configure password sync" -> "Please update your sync passphrase"

BUG=80426
TEST=see bug


Review URL: http://codereview.chromium.org/7351022

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@92406 0039d316-1c4b-4281-b951-d872f2087c98

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