Update the TabContents::SavePage parameter to take FilePath instead of wstring to avoid conversions "To and From wstring".

BUG=None
TEST=run unit_tests.exe

Review URL: http://codereview.chromium.org/217008
Patch from tfarina.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@27331 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed