Removing "using" declarations that import names in the C++ Standard library.(Source/platform/audio)

Source/platform/ThreadTimers.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 17 matching lines @@
 #include "platform/ThreadTimers.h"
 
 #include "platform/PlatformThreadData.h"
 #include "platform/SharedTimer.h"
 #include "platform/Timer.h"
 #include "platform/TraceEvent.h"
 #include "platform/scheduler/Scheduler.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/MainThread.h"
 
-using namespace std;
-
 namespace blink {
 
 // Fire timers for this length of time, and then quit to let the run loop process user input events.
 // 100ms is about a perceptable delay in UI, so use a half of that as a threshold.
 // This is to prevent UI freeze when there are too many timers or machine performance is low.
 static const double maxDurationOfFiringTimers = 0.050;
 
 // Timers are created, started and fired on the same thread, and each thread has its own ThreadTimers
 // copy to keep the heap and a set of currently firing timers.
 
@@ skipping 40 matching lines @@
         m_sharedTimer->stop();
     } else {
         double nextFireTime = m_timerHeap.first()->m_nextFireTime;
         double currentMonotonicTime = monotonicallyIncreasingTime();
         if (m_pendingSharedTimerFireTime) {
             // No need to restart the timer if both the pending fire time and the new fire time are in the past.
             if (m_pendingSharedTimerFireTime <= currentMonotonicTime && nextFireTime <= currentMonotonicTime)
                 return;
         }
         m_pendingSharedTimerFireTime = nextFireTime;
-        m_sharedTimer->setFireInterval(max(nextFireTime - currentMonotonicTime, 0.0));
+        m_sharedTimer->setFireInterval(std::max(nextFireTime - currentMonotonicTime, 0.0));
     }
 }
 
 void ThreadTimers::sharedTimerFired()
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "BlinkInternal");
 
     // Redirect to non-static method.
     PlatformThreadData::current().threadTimers().sharedTimerFiredInternal();
 
@@ skipping 39 matching lines @@
 
 void ThreadTimers::fireTimersInNestedEventLoop()
 {
     // Reset the reentrancy guard so the timers can fire again.
     m_firingTimers = false;
     updateSharedTimer();
 }
 
 } // namespace blink