Cleanup namespace usage in Source/core/rendering

Source/core/rendering/FloatingObjects.h

Index: Source/core/rendering/FloatingObjects.h
diff --git a/Source/core/rendering/FloatingObjects.h b/Source/core/rendering/FloatingObjects.h
index ab5464492b7ac6f5fa5b59c5053b5efa4a594e09..27111e9ce15b37cce84bfa87152c2523713378ef 100644
--- a/Source/core/rendering/FloatingObjects.h
+++ b/Source/core/rendering/FloatingObjects.h
@@ -124,7 +124,7 @@ struct FloatingObjectHashFunctions {
 struct FloatingObjectHashTranslator {
     static unsigned hash(RenderBox* key) { return DefaultHash<RenderBox*>::Hash::hash(key); }
     static bool equal(FloatingObject* a, RenderBox* b) { return a->renderer() == b; }
-    static bool equal(const OwnPtr<blink::FloatingObject>& a, RenderBox* b) { return a->renderer() == b; }
+    static bool equal(const OwnPtr<FloatingObject>& a, RenderBox* b) { return a->renderer() == b; }
 };
 typedef ListHashSet<OwnPtr<FloatingObject>, 4, FloatingObjectHashFunctions> FloatingObjectSet;
 typedef FloatingObjectSet::const_iterator FloatingObjectSetIterator;