Gardening. Disable BrowserPluginHostTest.AcceptDragEvents on Mac.

BUG=298349, 297576
TEST=Mac tester doesn't time out on that test
TBR=fsamuel@chromium.org

Review URL: https://codereview.chromium.org/26820003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228590 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228590
[telemetry] Add profiler for net-internals log.

BUG=280346

Review URL: https://codereview.chromium.org/26752002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228591 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228591