Rename WebCore namespace to blink in Platform

Source/platform/audio/AudioPullFIFO.cpp

Index: Source/platform/audio/AudioPullFIFO.cpp
diff --git a/Source/platform/audio/AudioPullFIFO.cpp b/Source/platform/audio/AudioPullFIFO.cpp
index ece4b9fc049255ce9c0e2f30b8e22f102dd6ba95..c7a8887c38a08e1845bdae0c3bf5f4aa543440d3 100644
--- a/Source/platform/audio/AudioPullFIFO.cpp
+++ b/Source/platform/audio/AudioPullFIFO.cpp
@@ -32,7 +32,7 @@
 
 #include "platform/audio/AudioPullFIFO.h"
 
-namespace WebCore {
+namespace blink {
 
 AudioPullFIFO::AudioPullFIFO(AudioSourceProvider& audioProvider, unsigned numberOfChannels, size_t fifoLength, size_t providerSize)
     : m_provider(audioProvider)
@@ -70,6 +70,6 @@ void AudioPullFIFO::fillBuffer(size_t numberOfFrames)
     }
 }
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)