Moved RefCountedThreadSafe from AssignableBuffer to base type Assignable.
Moved RefCountedThreadSafe from AssignableBuffer to base type Assignable.

Fixed some template naming and whitespace issues as well.

Review URL: http://codereview.chromium.org/18854

git-svn-id: http://src.chromium.org/svn/trunk/src@8867 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 77bc96cd0199ac6c63eb6d1e781ce40decaf8666
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser