Set the WM_CLASS property of X11 windows in Linux Aura build.

chrome/browser/web_applications/web_app.h

Index: chrome/browser/web_applications/web_app.h
diff --git a/chrome/browser/web_applications/web_app.h b/chrome/browser/web_applications/web_app.h
index 67525970be722580b60b834b2b797037fc6435aa..dbd2a21b12b8b5d7f9d90fd554b6b42b42c73047 100644
--- a/chrome/browser/web_applications/web_app.h
+++ b/chrome/browser/web_applications/web_app.h
@@ -97,12 +97,10 @@ void GetIconsInfo(const WebApplicationInfo& app_info,
                   IconInfoList* icons);
 #endif
 
-#if defined(TOOLKIT_GTK)
-// GTK+ windows that correspond to web apps need to have a deterministic (and
-// different) WMClass than normal chrome windows so the window manager groups
-// them as a separate application.
+// On Linux, windows that correspond to web apps need to have a deterministic

[benwells, 2013/08/26 00:10:29]

Should the ifdef become #if defined(OS_LINUX) instead of being removed?

[Matt Giuca, 2013/08/26 04:46:09]

Done.

+// (and different) WMClass than normal chrome windows so the window manager
+// groups them as a separate application.
 std::string GetWMClassFromAppName(std::string app_name);
-#endif
 
 // Gets the name of the Chrome Apps menu folder in which to place app shortcuts.
 string16 GetAppShortcutsSubdirName();