Rename WebCore namespace to blink in Platform

Source/platform/audio/ReverbInputBuffer.h

Index: Source/platform/audio/ReverbInputBuffer.h
diff --git a/Source/platform/audio/ReverbInputBuffer.h b/Source/platform/audio/ReverbInputBuffer.h
index 7e5e00617783e038d576e67953c8f6a7af94901a..bc056aeb4c5713fde0390226bbd0624347466a9d 100644
--- a/Source/platform/audio/ReverbInputBuffer.h
+++ b/Source/platform/audio/ReverbInputBuffer.h
@@ -32,7 +32,7 @@
 #include "platform/PlatformExport.h"
 #include "platform/audio/AudioArray.h"
 
-namespace WebCore {
+namespace blink {
 
 // ReverbInputBuffer is used to buffer input samples for deferred processing by the background threads.
 class PLATFORM_EXPORT ReverbInputBuffer {
@@ -60,6 +60,6 @@ private:
     size_t m_writeIndex;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // ReverbInputBuffer_h