Rename WebCore namespace to blink in Platform

Source/platform/graphics/filters/FESpecularLighting.cpp

Index: Source/platform/graphics/filters/FESpecularLighting.cpp
diff --git a/Source/platform/graphics/filters/FESpecularLighting.cpp b/Source/platform/graphics/filters/FESpecularLighting.cpp
index cc3ed427d44d64a4225b509849ddd14151474cdb..7d5eaac65af124737be701a5d824fb9557bfc211 100644
--- a/Source/platform/graphics/filters/FESpecularLighting.cpp
+++ b/Source/platform/graphics/filters/FESpecularLighting.cpp
@@ -26,7 +26,7 @@
 #include "platform/graphics/filters/LightSource.h"
 #include "platform/text/TextStream.h"
 
-namespace WebCore {
+namespace blink {
 
 FESpecularLighting::FESpecularLighting(Filter* filter, const Color& lightingColor, float surfaceScale,
     float specularConstant, float specularExponent, float kernelUnitLengthX,
@@ -149,4 +149,4 @@ TextStream& FESpecularLighting::externalRepresentation(TextStream& ts, int inden
     return ts;
 }
 
-} // namespace WebCore
+} // namespace blink