Fix NamedProxyLauncher on windows. Wait for the named pipe to be connectable.
Enable NamedInterfaceTest on windows.
BUG=chromium-os:8515
TEST=none


Review URL: http://codereview.chromium.org/7486007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95957 0039d316-1c4b-4281-b951-d872f2087c98

• chrome/chrome_tests.gypi[diff]
• chrome/test/automation/proxy_launcher.cc[diff]
• chrome/test/automation/proxy_launcher.h[diff]
• chrome/test/ui/named_interface_uitest.cc[diff]
• ipc/ipc_channel.h[diff]
• ipc/ipc_channel_posix.cc[diff]
• ipc/ipc_channel_posix.h[diff]
• ipc/ipc_channel_posix_unittest.cc[diff]
• ipc/ipc_channel_win.cc[diff]
• ipc/ipc_channel_win.h[diff]