Moves ownership of OpenSL engine object to Android audio manager

webrtc/modules/audio_device/android/opensles_common.h

 /*
  *  Copyright (c) 2013 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.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_OPENSLES_COMMON_H_
 #define WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_OPENSLES_COMMON_H_
 
 #include <SLES/OpenSLES.h>
 
 #include "webrtc/base/checks.h"
 
 namespace webrtc {
 
+// Returns a string representation given an integer SL_RESULT_XXX code.
+// The mapping can be found in <SLES/OpenSLES.h>.
+const char* GetSLErrorString(size_t code);
+
 SLDataFormat_PCM CreatePcmConfiguration(int sample_rate);
 
 // Helper class for using SLObjectItf interfaces.
 template <typename SLType, typename SLDerefType>
 class ScopedSLObject {
  public:
   ScopedSLObject() : obj_(nullptr) {}
 
   ~ScopedSLObject() { Reset(); }
 
@@ skipping 15 matching lines @@
 
  private:
   SLType obj_;
 };
 
 typedef ScopedSLObject<SLObjectItf, const SLObjectItf_*> ScopedSLObjectItf;
 
 }  // namespace webrtc_opensl
 
 #endif  // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_OPENSLES_COMMON_H_