Modify WaitableEvent::Wait() to return void

chrome/browser/extensions/test_extension_prefs.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/extensions/test_extension_prefs.h"
 
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
@@ skipping 62 matching lines @@
     pref_service_->SavePersistentPrefs();
     EXPECT_TRUE(BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                                         new SignalingTask(&io_finished)));
 
     // If the FILE thread is in fact the current thread (possible in testing
     // scenarios), we have to ensure the task has a chance to run. If the FILE
     // thread is a different thread, the test must ensure that thread is running
     // (otherwise the Wait below will hang).
     MessageLoop::current()->RunAllPending();
 
-    EXPECT_TRUE(io_finished.Wait());
+    io_finished.Wait();
   }
 
   extension_pref_value_map_.reset(new ExtensionPrefValueMap);
   PrefServiceMockBuilder builder;
   builder.WithUserFilePrefs(preferences_file_);
   builder.WithExtensionPrefs(
       new ExtensionPrefStore(extension_pref_value_map_.get(), false));
   pref_service_.reset(builder.Create());
   ExtensionPrefs::RegisterUserPrefs(pref_service_.get());
 
@@ skipping 53 matching lines @@
 }
 
 PrefService* TestExtensionPrefs::CreateIncognitoPrefService() const {
   return pref_service_->CreateIncognitoPrefService(
       new ExtensionPrefStore(extension_pref_value_map_.get(), true));
 }
 
 void TestExtensionPrefs::set_extensions_disabled(bool extensions_disabled) {
   extensions_disabled_ = extensions_disabled;
 }