Use KDEHOME variable instead of KDE_HOME for locating KDE directory

KDE uses the former, not the latter.

R=mdm,wtc
BUG=none
TEST=unit tests updated, change KDE proxy settings with custom KDEHOME and verify Chrome picks it up

Review URL: http://codereview.chromium.org/2779015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49620 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed