Add a leak suppression for browser_sync::ClearDataCommandTest_ClearDataCommandExpectSucess test.
Add a leak suppression for browser_sync::ClearDataCommandTest_ClearDataCommandExpectSucess test.

TBR=tim
BUG=54915
TEST=Linux Valgrind 3

Review URL: http://codereview.chromium.org/3302018

git-svn-id: http://src.chromium.org/svn/trunk/src@58905 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 7e4d7e3836ca85aae2384f38c60303bc8dcc84b5
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