Fix template angle bracket syntax in css

Source/core/css/StyleSheetList.cpp

Index: Source/core/css/StyleSheetList.cpp
diff --git a/Source/core/css/StyleSheetList.cpp b/Source/core/css/StyleSheetList.cpp
index 4700568e229f7aa3a2707c3db535b528d90c0cd9..d6c754964d0e4fdc75208e64177a00eb532c3085 100644
--- a/Source/core/css/StyleSheetList.cpp
+++ b/Source/core/css/StyleSheetList.cpp
@@ -38,7 +38,7 @@ StyleSheetList::StyleSheetList(TreeScope* treeScope)
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(StyleSheetList);
 
-inline const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& StyleSheetList::styleSheets()
+inline const WillBeHeapVector<RefPtrWillBeMember<StyleSheet>>& StyleSheetList::styleSheets()
 {
 #if !ENABLE(OILPAN)
     if (!m_treeScope)
@@ -62,7 +62,7 @@ unsigned StyleSheetList::length()
 
 StyleSheet* StyleSheetList::item(unsigned index)
 {
-    const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& sheets = styleSheets();
+    const WillBeHeapVector<RefPtrWillBeMember<StyleSheet>>& sheets = styleSheets();
     return index < sheets.size() ? sheets[index].get() : 0;
 }