Fix template angle bracket syntax in platform

Source/platform/mhtml/ArchiveResourceCollection.h

Index: Source/platform/mhtml/ArchiveResourceCollection.h
diff --git a/Source/platform/mhtml/ArchiveResourceCollection.h b/Source/platform/mhtml/ArchiveResourceCollection.h
index 8ad590c2827642678ff134c960e0e5c90346d24f..36893764e6e362ad781b7ef02dfce5f0ae4486d8 100644
--- a/Source/platform/mhtml/ArchiveResourceCollection.h
+++ b/Source/platform/mhtml/ArchiveResourceCollection.h
@@ -60,8 +60,8 @@ public:
 private:
     ArchiveResourceCollection();
 
-    WillBeHeapHashMap<String, RefPtrWillBeMember<ArchiveResource> > m_subresources;
-    WillBeHeapHashMap<String, RefPtrWillBeMember<MHTMLArchive> > m_subframes;
+    WillBeHeapHashMap<String, RefPtrWillBeMember<ArchiveResource>> m_subresources;
+    WillBeHeapHashMap<String, RefPtrWillBeMember<MHTMLArchive>> m_subframes;
 };
 
 }