linux_aura: Add Trusty libappindicator.

chrome/browser/ui/libgtk2ui/app_indicator_icon.cc

 // Copyright 2013 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/libgtk2ui/app_indicator_icon.h"
 
 #include <gtk/gtk.h>
 #include <dlfcn.h>
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
 app_indicator_set_icon_theme_path_func app_indicator_set_icon_theme_path = NULL;
 
 void EnsureMethodsLoaded() {
   if (g_attempted_load)
     return;
 
   g_attempted_load = true;
 
   void* indicator_lib = dlopen("libappindicator.so", RTLD_LAZY);
   if (!indicator_lib) {
+    indicator_lib = dlopen("libappindicator3.so.1", RTLD_LAZY);
+  }
+  if (!indicator_lib) {
     indicator_lib = dlopen("libappindicator.so.1", RTLD_LAZY);
   }
   if (!indicator_lib) {
     indicator_lib = dlopen("libappindicator.so.0", RTLD_LAZY);
   }
   if (!indicator_lib) {
     return;
   }
 
   g_opened = true;
@@ skipping 266 matching lines @@
   int id;
   if (!GetMenuItemID(menu_item, &id))
     return;
 
   // The menu item can still be activated by hotkeys even if it is disabled.
   if (menu_model_->IsEnabledAt(id))
     ExecuteCommand(model, id);
 }
 
 }  // namespace libgtk2ui