Modify WaitableEvent::Wait() to return void

base/threading/worker_pool_posix_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/threading/worker_pool_posix.h"
 
 #include <set>
 
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
@@ skipping 88 matching lines @@
         num_waiting_to_start_(num_waiting_to_start),
         num_waiting_to_start_cv_(num_waiting_to_start_cv),
         start_(start) {}
 
   virtual void Run() {
     {
       base::AutoLock num_waiting_to_start_locked(*num_waiting_to_start_lock_);
       (*num_waiting_to_start_)++;
     }
     num_waiting_to_start_cv_->Signal();
-    CHECK(start_->Wait());
+    start_->Wait();
     incrementer_.Run();
   }
 
  private:
   IncrementingTask incrementer_;
   Lock* num_waiting_to_start_lock_;
   int* num_waiting_to_start_;
   ConditionVariable* num_waiting_to_start_cv_;
   base::WaitableEvent* start_;
 
@@ skipping 141 matching lines @@
   // Add another non blocking task.  There are no threads to reuse.
   pool_->PostTask(FROM_HERE, CreateNewIncrementingTask());
   WaitForIdleThreads(1);
 
   EXPECT_EQ(3U, unique_threads_.size());
   EXPECT_EQ(1, peer_.num_idle_threads());
   EXPECT_EQ(4, counter_);
 }
 
 }  // namespace base