make StackingClient dispatch to either ash or desktop

chrome/browser/prerender/prerender_unittest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "chrome/browser/prerender/prerender_contents.h"
@@ skipping 299 matching lines @@
 
   // Needed to pass PrerenderManager's DCHECKs.
   TestingProfile profile_;
   MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_ptr<UnitTestPrerenderManager> prerender_manager_;
   scoped_ptr<PrerenderLinkManager> prerender_link_manager_;
   int last_prerender_id_;
 };
 
+// TODO(scottmg): http://crbug.com/128578
+#if !defined(OS_WIN) && !defined(USE_AURA)
 TEST_F(PrerenderTest, FoundTest) {
   GURL url("http://www.google.com/");
   DummyPrerenderContents* prerender_contents =
       prerender_manager()->CreateNextPrerenderContents(
           url,
           FINAL_STATUS_USED);
   EXPECT_TRUE(AddSimplePrerender(url));
   EXPECT_TRUE(prerender_contents->prerendering_has_started());
   ASSERT_EQ(prerender_contents, prerender_manager()->FindAndUseEntry(url));
 }
@@ skipping 824 matching lines @@
   DummyPrerenderContents* second_prerender_contents =
       prerender_manager()->CreateNextPrerenderContents(
           url, FINAL_STATUS_USED);
   EXPECT_TRUE(AddSimplePrerender(url));
   EXPECT_TRUE(second_prerender_contents->prerendering_has_started());
   ASSERT_EQ(second_prerender_contents,
             prerender_manager()->FindAndUseEntry(url));
   EXPECT_FALSE(IsEmptyPrerenderLinkManager());
 }
 
+#endif // OS_WIN && USE_AURA
+
 }  // namespace prerender