Prevent multiple threads from executing the DumpDoneCallback handler - So respawning the browser is more reliable.
Prevent multiple threads from executing the DumpDoneCallback handler
- So respawning the browser is more reliable.

BUG=25091
TEST=see bug


Review URL: http://codereview.chromium.org/283024

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@29364 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