Add the calculated WMClass to generated .desktop files.

chrome/browser/web_applications/web_app.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 #pragma once
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "build/build_config.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/common/web_apps.h"
 
 class Profile;
 
 namespace web_app {
 
+// Compute a deterministic name based on data in the shortcut_info.
+std::string GenerateApplicationNameFromInfo(
+    const ShellIntegration::ShortcutInfo& shortcut_info);
+
 // Compute a deterministic name based on the URL. We use this pseudo name
 // as a key to store window location per application URLs in Browser and
 // as app id for BrowserWindow, shortcut and jump list.
 std::string GenerateApplicationNameFromURL(const GURL& url);
 
 // Compute a deterministic name based on an extension/apps's id.
 std::string GenerateApplicationNameFromExtensionId(const std::string& id);
 
 // Callback after user dismisses CreateShortcutView. "true" indicates
 // shortcut is created successfully. Otherwise, it is false.
@@ skipping 16 matching lines @@
 FilePath GetDataDir(const FilePath& profile_path);
 
 #if defined(TOOLKIT_VIEWS)
 // Extracts icons info from web app data. Take only square shaped icons and
 // sort them from smallest to largest.
 typedef std::vector<WebApplicationInfo::IconInfo> IconInfoList;
 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.
+std::string GetWMClassFromAppName(std::string app_name);
+#endif
+
 namespace internals {
 
 #if defined(OS_WIN)
 FilePath GetSanitizedFileName(const string16& name);
 
 bool CheckAndSaveIcon(const FilePath& icon_file, const SkBitmap& image);
 #endif
 
 FilePath GetWebAppDataDirectory(const FilePath& root_dir,
                                 const ShellIntegration::ShortcutInfo& info);
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_