Fix template angle bracket syntax in bindings

Source/bindings/core/v8/WindowProxyManager.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WindowProxyManager_h
 #define WindowProxyManager_h
 
 #include "platform/heap/Handle.h"
 #include "wtf/Vector.h"
 #include <utility>
@@ skipping 21 matching lines @@
     WindowProxy* windowProxy(DOMWrapperWorld&);
 
     void clearForClose();
     void clearForNavigation();
 
     // For devtools:
     WindowProxy* existingWindowProxy(DOMWrapperWorld&);
     void collectIsolatedContexts(Vector<std::pair<ScriptState*, SecurityOrigin*>>&);
 
 private:
-    typedef WillBeHeapHashMap<int, OwnPtrWillBeMember<WindowProxy> > IsolatedWorldMap;
+    typedef WillBeHeapHashMap<int, OwnPtrWillBeMember<WindowProxy>> IsolatedWorldMap;
 
     explicit WindowProxyManager(Frame&);
 
     RawPtrWillBeMember<Frame> m_frame;
     v8::Isolate* const m_isolate;
 
     const OwnPtrWillBeMember<WindowProxy> m_windowProxy;
     IsolatedWorldMap m_isolatedWorlds;
 };
 
 } // namespace blink
 
 #endif // WindowProxyManager_h