Fix template angle bracket syntax in platform

Source/platform/mediastream/MediaStreamSource.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 64 matching lines @@
 {
     ASSERT(m_requiresConsumer);
     MutexLocker locker(m_audioConsumersLock);
     m_audioConsumers.add(consumer);
 }
 
 bool MediaStreamSource::removeAudioConsumer(AudioDestinationConsumer* consumer)
 {
     ASSERT(m_requiresConsumer);
     MutexLocker locker(m_audioConsumersLock);
-    HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.find(consumer);
+    HeapHashSet<Member<AudioDestinationConsumer>>::iterator it = m_audioConsumers.find(consumer);
     if (it == m_audioConsumers.end())
         return false;
     m_audioConsumers.remove(it);
     return true;
 }
 
 void MediaStreamSource::setAudioFormat(size_t numberOfChannels, float sampleRate)
 {
     ASSERT(m_requiresConsumer);
     MutexLocker locker(m_audioConsumersLock);
-    for (HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
+    for (HeapHashSet<Member<AudioDestinationConsumer>>::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
         (*it)->setFormat(numberOfChannels, sampleRate);
 }
 
 void MediaStreamSource::consumeAudio(AudioBus* bus, size_t numberOfFrames)
 {
     ASSERT(m_requiresConsumer);
     MutexLocker locker(m_audioConsumersLock);
-    for (HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
+    for (HeapHashSet<Member<AudioDestinationConsumer>>::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
         (*it)->consumeAudio(bus, numberOfFrames);
 }
 
 } // namespace blink