Move usage of QualityScaler to ViEEncoder.

webrtc/video/vie_encoder_unittest.cc

 /*
  *  Copyright (c) 2016 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 32 matching lines @@
       const webrtc::VideoSendStream::Config::EncoderSettings& settings)
       : ViEEncoder(1 /* number_of_cores */,
                    stats_proxy,
                    settings,
                    nullptr /* pre_encode_callback */,
                    nullptr /* encoder_timing */) {}
 
   void TriggerCpuOveruse() {
     rtc::Event event(false, false);
     encoder_queue()->PostTask([this, &event] {
-      OveruseDetected();
+      ScaleDown();
       event.Set();
     });
     event.Wait(rtc::Event::kForever);
   }
 
   void TriggerCpuNormalUsage() {
     rtc::Event event(false, false);
     encoder_queue()->PostTask([this, &event] {
-      NormalUsage();
+      ScaleUp();
       event.Set();
     });
     event.Wait(rtc::Event::kForever);
   }
 };
 
 }  // namespace
 
 class ViEEncoderTest : public ::testing::Test {
  public:
@@ skipping 553 matching lines @@
   vie_encoder_->Stop();
 
   stats_proxy_.reset();
   EXPECT_EQ(1,
             metrics::NumSamples("WebRTC.Video.CpuLimitedResolutionInPercent"));
   EXPECT_EQ(
       1, metrics::NumEvents("WebRTC.Video.CpuLimitedResolutionInPercent", 50));
 }
 
 }  // namespace webrtc