Fix issue 11264
Fix issue 11264

http://code.google.com/p/chromium/issues/detail?id=11264

Integer 0 and -1 have special meaning in HashMap<int, ...>, both cannot be used as key.
Specially filter out these two keys.

Review URL: http://codereview.chromium.org/100242

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@15031 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser