Update dump_symbols to match new file_id code.
Update dump_symbols to match new file_id code.

The way that breakpad calculates module ids has changed so we need to change
our tools to match.

(Note. The original change accidently landed with another change in r43662 so
this is just the review changes.)

http://codereview.chromium.org/1508019

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@43672 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