Fix template angle bracket syntax in platform

Source/platform/audio/HRTFElevation.cpp

 /*
  * Copyright (C) 2010 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 52 matching lines @@
 // concatenated response.
 const int ElevationIndexTableSize = 10;
 const int ElevationIndexTable[ElevationIndexTableSize] = {
     0, 15, 30, 45, 60, 75, 90, 315, 330, 345
 };
 
 // Lazily load a concatenated HRTF database for given subject and store it in a
 // local hash table to ensure quick efficient future retrievals.
 static PassRefPtr<AudioBus> getConcatenatedImpulseResponsesForSubject(const String& subjectName)
 {
-    typedef HashMap<String, RefPtr<AudioBus> > AudioBusMap;
+    typedef HashMap<String, RefPtr<AudioBus>> AudioBusMap;
     DEFINE_STATIC_LOCAL(AudioBusMap, audioBusMap, ());
     DEFINE_STATIC_LOCAL(Mutex, mutex, ());
 
     MutexLocker locker(mutex);
     RefPtr<AudioBus> bus;
     AudioBusMap::iterator iterator = audioBusMap.find(subjectName);
     if (iterator == audioBusMap.end()) {
         RefPtr<AudioBus> concatenatedImpulseResponses(AudioBus::loadPlatformResource(subjectName.utf8().data(), ResponseSampleRate));
         ASSERT(concatenatedImpulseResponses);
         if (!concatenatedImpulseResponses)
@@ skipping 240 matching lines @@
     double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay();
 
     // Linearly interpolate delays.
     frameDelayL = (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay2L;
     frameDelayR = (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R;
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)