Rename WebCore namespace to blink in Platform

Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp

Index: Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp
diff --git a/Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp b/Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp
index 306ea2c5056ff488d52af22f18a8c3aae596ad06..64158c0b20e013e7ab887f223e240dc50224edf4 100644
--- a/Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp
+++ b/Source/platform/fonts/harfbuzz/HarfBuzzFace.cpp
@@ -35,7 +35,7 @@
 #include "hb-ot.h"
 #include "hb.h"
 
-namespace WebCore {
+namespace blink {
 
 const hb_tag_t HarfBuzzFace::vertTag = HB_TAG('v', 'e', 'r', 't');
 const hb_tag_t HarfBuzzFace::vrt2Tag = HB_TAG('v', 'r', 't', '2');
@@ -128,4 +128,4 @@ void HarfBuzzFace::setScriptForVerticalGlyphSubstitution(hb_buffer_t* buffer)
     hb_buffer_set_script(buffer, m_scriptForVerticalText);
 }
 
-} // namespace WebCore
+} // namespace blink