Fix template angle bracket syntax in platform

Source/platform/heap/HeapLinkedStack.h

Index: Source/platform/heap/HeapLinkedStack.h
diff --git a/Source/platform/heap/HeapLinkedStack.h b/Source/platform/heap/HeapLinkedStack.h
index 2b731803cf4280bb457f646d61cda424b8377215..4f94b3567fc602c90acd221e9b6f9c5c792c169a 100644
--- a/Source/platform/heap/HeapLinkedStack.h
+++ b/Source/platform/heap/HeapLinkedStack.h
@@ -37,7 +37,7 @@
 namespace blink {
 
 template <typename T>
-class HeapLinkedStack : public GarbageCollected<HeapLinkedStack<T> > {
+class HeapLinkedStack : public GarbageCollected<HeapLinkedStack<T>> {
 public:
     HeapLinkedStack() : m_size(0) { }
 
@@ -111,7 +111,7 @@ inline size_t HeapLinkedStack<T>::size()
 }
 
 template<typename T>
-class TraceEagerlyTrait<HeapLinkedStack<T> > {
+class TraceEagerlyTrait<HeapLinkedStack<T>> {
 public:
     static const bool value = TraceEagerlyTrait<T>::value;
 };