Change the stub for file_util::EvictFileFromSystemCache
Change the stub for file_util::EvictFileFromSystemCache

I don't think there is a way to get something out of the UBC once it's in,
so for now I'm just making this api return true so it won't fail unittests.
I have email out to Amit incase he has any ideas.

Review URL: http://codereview.chromium.org/42333

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@11961 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