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

Source/platform/audio/AudioResampler.cpp

Index: Source/platform/audio/AudioResampler.cpp
diff --git a/Source/platform/audio/AudioResampler.cpp b/Source/platform/audio/AudioResampler.cpp
index bf36ec0b19211b07ca7306857e75f7f058bf86d6..78a9bbfbd7bfac23b90582c56c33c946df70e7ce 100644
--- a/Source/platform/audio/AudioResampler.cpp
+++ b/Source/platform/audio/AudioResampler.cpp
@@ -31,8 +31,6 @@
 #include <algorithm>
 #include "wtf/MathExtras.h"
 
-using namespace std;
-
 namespace blink {
 
 const double AudioResampler::MaxRate = 8.0;
@@ -112,7 +110,7 @@ void AudioResampler::setRate(double rate)
     if (std::isnan(rate) || std::isinf(rate) || rate <= 0.0)
         return;
 
-    m_rate = min(AudioResampler::MaxRate, rate);
+    m_rate = std::min(AudioResampler::MaxRate, rate);
 }
 
 void AudioResampler::reset()