Fix lock behavior on RTCAudioSession.

webrtc/base/base.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../build/common.gypi', ],
@@ skipping 100 matching lines @@
         'platform_thread.cc',
         'platform_thread.h',
         'platform_thread_types.h',
         'random.cc',
         'random.h',
         'rate_statistics.cc',
         'rate_statistics.h',
         'ratetracker.cc',
         'ratetracker.h',
         'refcount.h',
+        'scoped_autorelease_pool.h',
+        'scoped_autorelease_pool.mm',
         'scoped_ptr.h',
         'scoped_ref_ptr.h',
         'stringencode.cc',
         'stringencode.h',
         'stringutils.cc',
         'stringutils.h',
         'systeminfo.cc',
         'systeminfo.h',
         'template_util.h',
         'thread_annotations.h',
@@ skipping 184 matching lines @@
         'proxyinfo.cc',
         'proxyinfo.h',
         'proxyserver.cc',
         'proxyserver.h',
         'ratelimiter.cc',
         'ratelimiter.h',
         'referencecountedsingletonfactory.h',
         'rollingaccumulator.h',
         'rtccertificate.cc',
         'rtccertificate.h',
-        'scoped_autorelease_pool.h',
-        'scoped_autorelease_pool.mm',
         'scopedptrcollection.h',
         'sec_buffer.h',
         'sha1.cc',
         'sha1.h',
         'sha1digest.cc',
         'sha1digest.h',
         'sharedexclusivelock.cc',
         'sharedexclusivelock.h',
         'signalthread.cc',
         'signalthread.h',
@@ skipping 423 matching lines @@
       ],
       'sources': [
         'numerics/safe_conversions.h',
         'numerics/safe_conversions_impl.h',
         'numerics/safe_math.h',
         'numerics/safe_math_impl.h',
       ],
     },
   ],
 }