Rename WebCore namespace to blink in Platform

Source/platform/geometry/LayoutRect.h

Index: Source/platform/geometry/LayoutRect.h
diff --git a/Source/platform/geometry/LayoutRect.h b/Source/platform/geometry/LayoutRect.h
index bc91d2aeff6e9872891ea8f18479925600dcfd54..1f6dc6147daa8dc4ceb59abb5661acb9d0318c21 100644
--- a/Source/platform/geometry/LayoutRect.h
+++ b/Source/platform/geometry/LayoutRect.h
@@ -36,7 +36,7 @@
 #include "platform/geometry/LayoutPoint.h"
 #include "wtf/Vector.h"
 
-namespace WebCore {
+namespace blink {
 
 class FloatRect;
 
@@ -230,6 +230,6 @@ inline IntRect pixelSnappedIntRect(LayoutPoint location, LayoutSize size)
     return IntRect(roundedIntPoint(location), pixelSnappedIntSize(size, location));
 }
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // LayoutRect_h