Handle missing $HOME case in download path migration code for multi-profile.

BUG=335290

Review URL: https://codereview.chromium.org/140783005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245488 0039d316-1c4b-4281-b951-d872f2087c98
make utf-8 default encoding for remoting_localize.py

Review URL: https://codereview.chromium.org/140793007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245489 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245489