Linux: Support the --class argument (Reland)

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 99ba806f65ec014b0f8bbefa0d169b80e9a9d9d7..2f58490932cd40e0cd9265eab9b3dbc34a6e2d75 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1138,7 +1138,10 @@ const char kHelpShort[]                     = "h";
 // Specifies which password store to use (detect, default, gnome, kwallet).
 const char kPasswordStore[]                 = "password-store";
 
-// Updates X11Desktophandler::wm_user_time_ms with the latest X server time.
+// Sets WM_CLASS with this value.

[Lei Zhang, 2016/07/28 21:28:46]

You may want to mention this is similar to -class in X applications. The
comments you add here eventually shows up on
http://peter.sh/experiments/chromium-command-line-switches/ BTW.

[Tom (Use chromium acct), 2016/07/28 23:02:13]

done
That's much better than grepping through *_switches.cc :)

+const char kWmClass[]                       = "class";
+
+// Updates X11DesktopHandler::wm_user_time_ms with the latest X server time.
 const char kWmUserTimeMs[]              = "wm-user-time-ms";
 #endif