audio_processing: Create now returns a pointer to the object

webrtc/modules/audio_processing/noise_suppression_impl.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 116 matching lines @@
     probability_average += WebRtcNs_prior_speech_probability(my_handle);
   }
   return probability_average / num_handles();
 #elif defined(WEBRTC_NS_FIXED)
   // Currently not available for the fixed point implementation.
   return apm_->kUnsupportedFunctionError;
 #endif
 }
 
 void* NoiseSuppressionImpl::CreateHandle() const {
-  Handle* handle = NULL;
 #if defined(WEBRTC_NS_FLOAT)
-  if (WebRtcNs_Create(&handle) != apm_->kNoError)
+  return WebRtcNs_Create();
 #elif defined(WEBRTC_NS_FIXED)
-  if (WebRtcNsx_Create(&handle) != apm_->kNoError)
+  return WebRtcNsx_Create();
 #endif
-  {
-    handle = NULL;
-  } else {
-    assert(handle != NULL);
-  }
-
-  return handle;
 }
 
 void NoiseSuppressionImpl::DestroyHandle(void* handle) const {
 #if defined(WEBRTC_NS_FLOAT)
   WebRtcNs_Free(static_cast<Handle*>(handle));
 #elif defined(WEBRTC_NS_FIXED)
   WebRtcNsx_Free(static_cast<Handle*>(handle));
 #endif
 }
 
@@ skipping 20 matching lines @@
 int NoiseSuppressionImpl::num_handles_required() const {
   return apm_->num_output_channels();
 }
 
 int NoiseSuppressionImpl::GetHandleError(void* handle) const {
   // The NS has no get_error() function.
   assert(handle != NULL);
   return apm_->kUnspecifiedError;
 }
 }  // namespace webrtc