Move usage of QualityScaler to ViEEncoder.

webrtc/video/vie_encoder_unittest.cc

Index: webrtc/video/vie_encoder_unittest.cc
diff --git a/webrtc/video/vie_encoder_unittest.cc b/webrtc/video/vie_encoder_unittest.cc
index b3629814b41bf0ac68036b8cbf0e9f912634cacd..1c147c6509ad3d15d4411360cc1a5f394d291728 100644
--- a/webrtc/video/vie_encoder_unittest.cc
+++ b/webrtc/video/vie_encoder_unittest.cc
@@ -50,7 +50,7 @@ class ViEEncoderUnderTest : public ViEEncoder {
   void TriggerCpuOveruse() {
     rtc::Event event(false, false);
     encoder_queue()->PostTask([this, &event] {
-      OveruseDetected();
+      ScaleDown();
       event.Set();
     });
     event.Wait(rtc::Event::kForever);
@@ -59,7 +59,7 @@ class ViEEncoderUnderTest : public ViEEncoder {
   void TriggerCpuNormalUsage() {
     rtc::Event event(false, false);
     encoder_queue()->PostTask([this, &event] {
-      NormalUsage();
+      ScaleUp();
       event.Set();
     });
     event.Wait(rtc::Event::kForever);