GTK: Use Unity services on Oneric.

chrome/browser/ui/gtk/unity_service.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/unity_service.h"
 
 #include <dlfcn.h>
 #include <string>
 
 #include "base/environment.h"
@@ skipping 35 matching lines @@
 unity_launcher_entry_set_count_visible_func entry_set_count_visible = NULL;
 unity_launcher_entry_set_progress_func entry_set_progress = NULL;
 unity_launcher_entry_set_progress_visible_func entry_set_progress_visible =
     NULL;
 
 void EnsureMethodsLoaded() {
   if (attempted_load)
     return;
   attempted_load = true;
 
+  // TODO(erg): When unity stabilizes its interface, switch all this to looking
+  // up just ".so" instead of specific versions.
   void* unity_lib = dlopen("libunity.so.4", RTLD_LAZY);
   if (!unity_lib)
+    unity_lib = dlopen("libunity.so.6", RTLD_LAZY);
+  if (!unity_lib)
     return;
 
   unity_inspector_get_default_func inspector_get_default =
       reinterpret_cast<unity_inspector_get_default_func>(
           dlsym(unity_lib, "unity_inspector_get_default"));
   if (inspector_get_default) {
     inspector = inspector_get_default();
 
     get_unity_running =
         reinterpret_cast<unity_inspector_get_unity_running_func>(
@@ skipping 50 matching lines @@
 void SetProgressFraction(float percentage) {
   EnsureMethodsLoaded();
   if (chrome_entry && entry_set_progress && entry_set_progress_visible) {
     entry_set_progress(chrome_entry, percentage);
     entry_set_progress_visible(chrome_entry,
                                percentage > 0.0 && percentage < 1.0);
   }
 }
 
 }  // namespace unity