Fix template angle bracket syntax in platform

Source/platform/CheckedInt.h

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 /* Provides checked integers, detecting integer overflow and divide-by-0. */
 
 // Necessary modifications are made to the original CheckedInt.h file when
 // incorporating it into WebKit:
 // 1) Comment out #define MOZ_CHECKEDINT_ENABLE_MOZ_ASSERTS
@@ skipping 730 matching lines @@
 namespace detail {
 
 template<typename T, typename U>
 struct CastToCheckedIntImpl
 {
     typedef CheckedInt<T> ReturnType;
     static CheckedInt<T> run(U u) { return u; }
 };
 
 template<typename T>
-struct CastToCheckedIntImpl<T, CheckedInt<T> >
+struct CastToCheckedIntImpl<T, CheckedInt<T>>
 {
     typedef const CheckedInt<T>& ReturnType;
     static const CheckedInt<T>& run(const CheckedInt<T>& u) { return u; }
 };
 
 } // namespace detail
 
 template<typename T, typename U>
 inline typename detail::CastToCheckedIntImpl<T, U>::ReturnType
 castToCheckedInt(U u)
@@ skipping 47 matching lines @@
 typedef CheckedInt<int16_t>  CheckedInt16;
 typedef CheckedInt<uint16_t> CheckedUint16;
 typedef CheckedInt<int32_t>  CheckedInt32;
 typedef CheckedInt<uint32_t> CheckedUint32;
 typedef CheckedInt<int64_t>  CheckedInt64;
 typedef CheckedInt<uint64_t> CheckedUint64;
 
 } // namespace blink
 
 #endif /* mozilla_CheckedInt_h_ */