Fix unit test style in Source/wtf/.

Source/wtf/HashSetTest.cpp

Index: Source/wtf/HashSetTest.cpp
diff --git a/Source/wtf/HashSetTest.cpp b/Source/wtf/HashSetTest.cpp
index 888495aa9ff79ce686daa5889cb6f829e3ba948d..66b547c9a58c97338ba0cd2d0abeb21eaa4ec18a 100644
--- a/Source/wtf/HashSetTest.cpp
+++ b/Source/wtf/HashSetTest.cpp
@@ -24,24 +24,24 @@
  */
 
 #include "config.h"
-
 #include "wtf/HashSet.h"
+
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCounted.h"
 #include <gtest/gtest.h>
 
-namespace {
+namespace WTF {
 
 template<int initialCapacity>
-    struct InitialCapacityTestHashTraits : public WTF::UnsignedWithZeroKeyHashTraits<int> {
+    struct InitialCapacityTestHashTraits : public UnsignedWithZeroKeyHashTraits<int> {
     static const int minimumTableSize = initialCapacity;
 };
 
 template<unsigned size>
 void testInitialCapacity()
 {
-    const unsigned initialCapacity = WTF::HashTableCapacityForSize<size>::value;
+    const unsigned initialCapacity = HashTableCapacityForSize<size>::value;
     HashSet<int, DefaultHash<int>::Hash, InitialCapacityTestHashTraits<initialCapacity>> testSet;
 
     // Initial capacity is null.
@@ -208,5 +208,4 @@ TEST(HashSetTest, HashSetRefPtr)
     EXPECT_EQ(1, DummyRefCounted::s_refInvokesCount);
 }
 
-
-} // namespace
+} // namespace WTF