Fix unit test style in Source/wtf/.

Source/wtf/VectorTest.cpp

Index: Source/wtf/VectorTest.cpp
diff --git a/Source/wtf/VectorTest.cpp b/Source/wtf/VectorTest.cpp
index 0ae862150c25337ca51bb619e667a62709c54666..afb625762ca7d00e14e182df8e220a618bc52d18 100644
--- a/Source/wtf/VectorTest.cpp
+++ b/Source/wtf/VectorTest.cpp
@@ -24,14 +24,16 @@
  */
 
 #include "config.h"
+#include "wtf/Vector.h"
 
 #include "wtf/HashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
-#include "wtf/Vector.h"
 #include <gtest/gtest.h>
 
+namespace WTF {
+
 namespace {
 
 TEST(VectorTest, Basic)
@@ -392,4 +394,7 @@ TEST(VectorTest, Compare)
     compare<Comparable>();
     compare<WTF::String>();
 }
-} // namespace
+
+} // anonymous namespace
+
+} // namespace WTF