Fix for VS2010 compiler warning.

Including the enum type name between scope and enum is a new invention
and older compilers warn about it being a non standard extension.

It's not needed so let us just drop it.

BUG=

Review URL: https://codereview.chromium.org/206573002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@258531 0039d316-1c4b-4281-b951-d872f2087c98

win8/delegate_execute/command_execute_impl.cc

@@ -432,7 +432,7 @@ EC_HOST_UI_MODE CommandExecuteImpl::GetLaunchMode() {
   base::FilePath chrome_exe;
   if (!FindChromeExe(&chrome_exe) ||
       ShellUtil::GetChromeDefaultStateFromPath(chrome_exe) !=
-          ShellUtil::DefaultState::IS_DEFAULT) {
+          ShellUtil::IS_DEFAULT) {
     AtlTrace("Chrome is not default: launching in desktop mode\n");
     launch_mode = ECHUIM_DESKTOP;
     launch_mode_determined = true;