Merge pull request #342 from zhchbin/master

[WIN]Fix Compilation error caused by upstream change the constant names of the ButtonState enum.
[gtk] realize window on creation

Fix #339
Don't touch GPU process' command line
Update chromium version string
Strip PSN from command line for Finder

Fix #310
Handle 'key=value' case for 'chromium-args'; Fix #298
[WIN] Fix compile error because CommandLine::StringType will be std::wstring. Do some conversion between them. #298.