Rename WebCore namespace to blink in Platform

Source/platform/audio/AudioDelayDSPKernel.h

Index: Source/platform/audio/AudioDelayDSPKernel.h
diff --git a/Source/platform/audio/AudioDelayDSPKernel.h b/Source/platform/audio/AudioDelayDSPKernel.h
index 35d8d3bd3cbde4d8bdd95eba8728e134e80972f7..a4b8dd20e10ec5e8cee97e36be5e0101f1573b3c 100644
--- a/Source/platform/audio/AudioDelayDSPKernel.h
+++ b/Source/platform/audio/AudioDelayDSPKernel.h
@@ -28,7 +28,7 @@
 #include "platform/audio/AudioArray.h"
 #include "platform/audio/AudioDSPKernel.h"
 
-namespace WebCore {
+namespace blink {
 
 class PLATFORM_EXPORT AudioDelayDSPKernel : public AudioDSPKernel {
 public:
@@ -64,6 +64,6 @@ protected:
     size_t bufferLengthForDelay(double delayTime, double sampleRate) const;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // AudioDelayDSPKernel_h