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

Source/platform/audio/HRTFPanner.cpp

 /*
  * Copyright (C) 2010, 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #if ENABLE(WEB_AUDIO)
 
 #include "platform/audio/HRTFPanner.h"
 
 #include <algorithm>
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/HRTFDatabase.h"
 #include "wtf/MathExtras.h"
 #include "wtf/RefPtr.h"
 
-using namespace std;
-
 namespace blink {
 
 // The value of 2 milliseconds is larger than the largest delay which exists in any HRTFKernel from the default HRTFDatabase (0.0136 seconds).
 // We ASSERT the delay values used in process() with this value.
 const double MaxDelayTimeSeconds = 0.002;
 
 const int UninitializedAzimuth = -1;
 const unsigned RenderingQuantum = 128;
 
 HRTFPanner::HRTFPanner(float sampleRate, HRTFDatabaseLoader* databaseLoader)
@@ skipping 57 matching lines @@
     int numberOfAzimuths = database->numberOfAzimuths();
     const double angleBetweenAzimuths = 360.0 / numberOfAzimuths;
 
     // Calculate the azimuth index and the blend (0 -> 1) for interpolation.
     double desiredAzimuthIndexFloat = azimuth / angleBetweenAzimuths;
     int desiredAzimuthIndex = static_cast<int>(desiredAzimuthIndexFloat);
     azimuthBlend = desiredAzimuthIndexFloat - static_cast<double>(desiredAzimuthIndex);
 
     // We don't immediately start using this azimuth index, but instead approach this index from the last index we rendered at.
     // This minimizes the clicks and graininess for moving sources which occur otherwise.
-    desiredAzimuthIndex = max(0, desiredAzimuthIndex);
-    desiredAzimuthIndex = min(numberOfAzimuths - 1, desiredAzimuthIndex);
+    desiredAzimuthIndex = std::max(0, desiredAzimuthIndex);
+    desiredAzimuthIndex = std::min(numberOfAzimuths - 1, desiredAzimuthIndex);
     return desiredAzimuthIndex;
 }
 
 void HRTFPanner::pan(double desiredAzimuth, double elevation, const AudioBus* inputBus, AudioBus* outputBus, size_t framesToProcess)
 {
     unsigned numInputChannels = inputBus ? inputBus->numberOfChannels() : 0;
 
     bool isInputGood = inputBus &&  numInputChannels >= 1 && numInputChannels <= 2;
     ASSERT(isInputGood);
 
@@ skipping 176 matching lines @@
 double HRTFPanner::latencyTime() const
 {
     // The latency of a FFTConvolver is also fftSize() / 2, and is in addition to its tailTime of the
     // same value.
     return (fftSize() / 2) / static_cast<double>(sampleRate());
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)