Rename WebCore namespace to blink in Platform

Source/platform/mac/ScrollElasticityController.mm

 /*
  * Copyright (C) 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
     struct timeval now;
     if (boottime.tv_sec && -1 != gettimeofday(&now, 0)) {
         struct timeval uptime;
         timersub(&now, &boottime, &uptime);
         NSTimeInterval result = uptime.tv_sec + (uptime.tv_usec / 1E+6);
         return result;
     }
     return 0;
 }
 
-namespace WebCore {
+namespace blink {
 
 static const float scrollVelocityZeroingTimeout = 0.10f;
 static const float rubberbandDirectionLockStretchRatio = 1;
 static const float rubberbandMinimumRequiredDeltaBeforeStretch = 10;
 
 static const float rubberbandStiffness = 20;
 static const float rubberbandAmplitude = 0.31f;
 static const float rubberbandPeriod = 1.6f;
 
 static float elasticDeltaForTimeDelta(float initialPosition, float initialVelocity, float elapsedTime)
@@ skipping 376 matching lines @@
         if (wheelEvent.deltaX() > 0 && !wheelEvent.canRubberbandLeft())
             return false;
         if (wheelEvent.deltaX() < 0 && !wheelEvent.canRubberbandRight())
             return false;
     }
 
     // The event is going to either cause scrolling or rubber banding.
     return true;
 }
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // USE(RUBBER_BANDING)