GTK: Set WM_CLASS to webapp names on webapp windows.

chrome/browser/ui/gtk/browser_window_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
+#include "base/i18n/file_util_icu.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/autocomplete/autocomplete_edit_view.h"
@@ skipping 255 matching lines @@
   window_ = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
   g_object_set_qdata(G_OBJECT(window_), GetBrowserWindowQuarkKey(), this);
   gtk_widget_add_events(GTK_WIDGET(window_), GDK_BUTTON_PRESS_MASK |
                                              GDK_POINTER_MOTION_MASK);
 
   // Add this window to its own unique window group to allow for
   // window-to-parent modality.
   gtk_window_group_add_window(gtk_window_group_new(), window_);
   g_object_unref(gtk_window_get_group(window_));
 
+  if (browser_->type() & Browser::TYPE_APP) {
+    std::string wmclassname = browser_->app_name();
+    if (wmclassname != DevToolsWindow::kDevToolsApp) {
+      file_util::ReplaceIllegalCharactersInPath(&wmclassname, '_');
+      TrimString(wmclassname, "_", &wmclassname);
+      gtk_window_set_wmclass(window_, wmclassname.c_str(),
+                             wmclassname.c_str());
+    }
+  }
+
   // For popups, we initialize widgets then set the window geometry, because
   // popups need the widgets inited before they can set the window size
   // properly. For other windows, we set the geometry first to prevent resize
   // flicker.
   if (browser_->type() & Browser::TYPE_POPUP) {
     InitWidgets();
     SetGeometryHints();
   } else {
     SetGeometryHints();
     InitWidgets();
@@ skipping 1957 matching lines @@
   // special-case the ones where the custom frame should be used.  These names
   // are taken from the WMs' source code.
   return (wm_name == "Blackbox" ||
           wm_name == "compiz" ||
           wm_name == "e16" ||  // Enlightenment DR16
           wm_name == "Metacity" ||
           wm_name == "Mutter" ||
           wm_name == "Openbox" ||
           wm_name == "Xfwm4");
 }