Fix template angle bracket syntax in platform

Source/platform/mediastream/MediaStreamSource.h

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * 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.
@@ skipping 76 matching lines @@
 
     void setConstraints(WebMediaConstraints constraints) { m_constraints = constraints; }
     WebMediaConstraints constraints() { return m_constraints; }
 
     void setAudioFormat(size_t numberOfChannels, float sampleRate);
     void consumeAudio(AudioBus*, size_t numberOfFrames);
 
     bool requiresAudioConsumer() const { return m_requiresConsumer; }
     void addAudioConsumer(AudioDestinationConsumer*);
     bool removeAudioConsumer(AudioDestinationConsumer*);
-    const HeapHashSet<Member<AudioDestinationConsumer> >& audioConsumers() { return m_audioConsumers; }
+    const HeapHashSet<Member<AudioDestinationConsumer>>& audioConsumers() { return m_audioConsumers; }
 
 private:
     MediaStreamSource(const String& id, Type, const String& name, bool remote, bool readonly, ReadyState, bool requiresConsumer);
 
     String m_id;
     Type m_type;
     String m_name;
     bool m_remote;
     bool m_readonly;
     ReadyState m_readyState;
     bool m_requiresConsumer;
     Vector<Observer*> m_observers;
     Mutex m_audioConsumersLock;
-    PersistentHeapHashSet<Member<AudioDestinationConsumer> > m_audioConsumers;
+    PersistentHeapHashSet<Member<AudioDestinationConsumer>> m_audioConsumers;
     OwnPtr<ExtraData> m_extraData;
     WebMediaConstraints m_constraints;
 };
 
-typedef Vector<RefPtr<MediaStreamSource> > MediaStreamSourceVector;
+typedef Vector<RefPtr<MediaStreamSource>> MediaStreamSourceVector;
 
 } // namespace blink
 
 #endif // MediaStreamSource_h