Modify WaitableEvent::Wait() to return void

base/synchronization/waitable_event_unittest.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 "base/time.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 TEST(WaitableEventTest, ManualBasics) {
   WaitableEvent event(true, false);
 
   EXPECT_FALSE(event.IsSignaled());
 
   event.Signal();
   EXPECT_TRUE(event.IsSignaled());
   EXPECT_TRUE(event.IsSignaled());
 
   event.Reset();
   EXPECT_FALSE(event.IsSignaled());
   EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
 
   event.Signal();
-  EXPECT_TRUE(event.Wait());
+  event.Wait();
   EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
 }
 
 TEST(WaitableEventTest, AutoBasics) {
   WaitableEvent event(false, false);
 
   EXPECT_FALSE(event.IsSignaled());
 
   event.Signal();
   EXPECT_TRUE(event.IsSignaled());
   EXPECT_FALSE(event.IsSignaled());
 
   event.Reset();
   EXPECT_FALSE(event.IsSignaled());
   EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
 
   event.Signal();
-  EXPECT_TRUE(event.Wait());
+  event.Wait();
   EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
 
   event.Signal();
   EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
 }
 
 TEST(WaitableEventTest, WaitManyShortcut) {
   WaitableEvent* ev[5];
   for (unsigned i = 0; i < 5; ++i)
     ev[i] = new WaitableEvent(false, false);
@@ skipping 42 matching lines @@
 
   EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 2u);
 
   PlatformThread::Join(thread);
 
   for (unsigned i = 0; i < 5; ++i)
     delete ev[i];
 }
 
 }  // namespace base