Fix template angle bracket syntax

Source/wtf/RetainPtr.h

Index: Source/wtf/RetainPtr.h
diff --git a/Source/wtf/RetainPtr.h b/Source/wtf/RetainPtr.h
index 516ec640947a1e214ebad7954bf61c72b83ef04b..95fb474d18dd626dbf121eee66462e5d58540133 100644
--- a/Source/wtf/RetainPtr.h
+++ b/Source/wtf/RetainPtr.h
@@ -279,9 +279,9 @@ namespace WTF {
         return RetainPtr<T>(o);
     }
 
-    template<typename P> struct HashTraits<RetainPtr<P> > : SimpleClassHashTraits<RetainPtr<P> > { };
+    template<typename P> struct HashTraits<RetainPtr<P>> : SimpleClassHashTraits<RetainPtr<P>> { };
 
-    template<typename P> struct PtrHash<RetainPtr<P> > : PtrHash<typename RetainPtr<P>::PtrType> {
+    template<typename P> struct PtrHash<RetainPtr<P>> : PtrHash<typename RetainPtr<P>::PtrType> {
         using PtrHash<typename RetainPtr<P>::PtrType>::hash;
         static unsigned hash(const RetainPtr<P>& key) { return hash(key.get()); }
         using PtrHash<typename RetainPtr<P>::PtrType>::equal;
@@ -290,7 +290,7 @@ namespace WTF {
         static bool equal(const RetainPtr<P>& a, typename RetainPtr<P>::PtrType b) { return a == b; }
     };
 
-    template<typename P> struct DefaultHash<RetainPtr<P> > { typedef PtrHash<RetainPtr<P> > Hash; };
+    template<typename P> struct DefaultHash<RetainPtr<P>> { typedef PtrHash<RetainPtr<P>> Hash; };
 } // namespace WTF
 
 using WTF::AdoptCF;