audio_processing: Create now returns a pointer to the object

webrtc/modules/audio_processing/aec/system_delay_unittest.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.
  */
 
 #include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/base/checks.h"
 extern "C" {
 #include "webrtc/modules/audio_processing/aec/aec_core.h"
 }
 #include "webrtc/modules/audio_processing/aec/echo_cancellation_internal.h"
 #include "webrtc/modules/audio_processing/aec/include/echo_cancellation.h"
 #include "webrtc/test/testsupport/gtest_disable.h"
 #include "webrtc/typedefs.h"
 
 namespace {
 
@@ skipping 38 matching lines @@
   for (int i = 0; i < kSamplesPerChunk; i++) {
     far_[i] = 257.0;
     near_[i] = 514.0;
   }
   memset(out_, 0, sizeof(out_));
   near_ptr_ = near_;
   out_ptr_ = out_;
 }
 
 void SystemDelayTest::SetUp() {
-  ASSERT_EQ(0, WebRtcAec_Create(&handle_));
+  handle_ = WebRtcAec_Create();
+  ASSERT_TRUE(handle_);
   self_ = reinterpret_cast<Aec*>(handle_);
 }
 
 void SystemDelayTest::TearDown() {
   // Free AEC
   WebRtcAec_Free(handle_);
   handle_ = NULL;
 }
 
 // In SWB mode nothing is added to the buffer handling with respect to
@@ skipping 406 matching lines @@
 
       // Verify that the system delay is non-negative.
       EXPECT_LE(0, WebRtcAec_system_delay(self_->aec));
     }
     // Verify we are not in a non-causal state.
     EXPECT_FALSE(non_causal);
   }
 }
 
 }  // namespace