Rename WebCore namespace to blink in Platform

Source/platform/audio/DownSampler.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DownSampler_h
 #define DownSampler_h
 
 #include "platform/audio/AudioArray.h"
 #include "platform/audio/DirectConvolver.h"
 
-namespace WebCore {
+namespace blink {
 
 // DownSampler down-samples the source stream by a factor of 2x.
 
 class PLATFORM_EXPORT DownSampler {
 public:
     DownSampler(size_t inputBlockSize);
 
     // The destination buffer |destP| is of size sourceFramesToProcess / 2.
     void process(const float* sourceP, float* destP, size_t sourceFramesToProcess);
 
@@ skipping 14 matching lines @@
 
     // Half-band filter.
     DirectConvolver m_convolver;
 
     AudioFloatArray m_tempBuffer;
 
     // Used as delay-line (FIR filter history) for the input samples to account for the 0.5 term right in the middle of the kernel.
     AudioFloatArray m_inputBuffer;
 };
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // DownSampler_h