Add the calculated WMClass to generated .desktop files.

chrome/browser/shell_integration.h

Index: chrome/browser/shell_integration.h
diff --git a/chrome/browser/shell_integration.h b/chrome/browser/shell_integration.h
index cdce891bd3fe1e3c40a2dbbcae4106d715961bf1..575575e9175ecc92cc9f805e1c3f5acca2e4febd 100644
--- a/chrome/browser/shell_integration.h
+++ b/chrome/browser/shell_integration.h
@@ -96,8 +96,11 @@ class ShellIntegration {
   // and |title|. The |template_contents| should be contents of .desktop file
   // used to launch Chrome.
   static std::string GetDesktopFileContents(
-      const std::string& template_contents, const GURL& url,
-      const std::string& extension_id, const string16& title,
+      const std::string& template_contents,
+      const std::string& app_name,
+      const GURL& url,
+      const std::string& extension_id,
+      const string16& title,
       const std::string& icon_name);
 
   static void CreateDesktopShortcut(const ShortcutInfo& shortcut_info,