Adding automation for some P2 tests in two client live bookmarks sync

1. Single Client Duplicate Bookmarks With Same URL
2. Single Client Twice Renaming Bookmark Name
3. Single Client Twice Renaming Bookmark URL

Patch from Sunand Tullimalli <sunandt@chromium.org>.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3439015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60698 0039d316-1c4b-4281-b951-d872f2087c98