Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/modules/bitrate_controller/bitrate_controller_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.
  */
 
@@ skipping 43 matching lines @@
   uint8_t last_fraction_loss_;
   int64_t last_rtt_;
 };
 
 class BitrateControllerTest : public ::testing::Test {
  protected:
   BitrateControllerTest() : clock_(0) {}
   ~BitrateControllerTest() {}
 
   virtual void SetUp() {
-    controller_ =
-        BitrateController::CreateBitrateController(&clock_, &bitrate_observer_);
+    controller_ = BitrateController::CreateBitrateController(
+        &clock_, &bitrate_observer_, nullptr);
     controller_->SetStartBitrate(kStartBitrateBps);
     EXPECT_EQ(kStartBitrateBps, bitrate_observer_.last_bitrate_);
     controller_->SetMinMaxBitrate(kMinBitrateBps, kMaxBitrateBps);
     EXPECT_EQ(kStartBitrateBps, bitrate_observer_.last_bitrate_);
     bandwidth_observer_ = controller_->CreateRtcpBandwidthObserver();
   }
 
   virtual void TearDown() {
     delete bandwidth_observer_;
     delete controller_;
@@ skipping 316 matching lines @@
   EXPECT_EQ(120000, bitrate_observer_.last_bitrate_);
   controller_->SetReservedBitrate(50000);
   bandwidth_observer_->OnReceivedEstimatedBitrate(120000);
   // Limited by min bitrate.
   EXPECT_EQ(100000, bitrate_observer_.last_bitrate_);
 
   controller_->SetReservedBitrate(10000);
   bandwidth_observer_->OnReceivedEstimatedBitrate(1);
   EXPECT_EQ(100000, bitrate_observer_.last_bitrate_);
 }