Fix nits in vie_encoder

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 867 matching lines @@
   vie_encoder_->Stop();
 }
 
 TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
   vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
 
   int frame_width = 1280;
   int frame_height = 720;
   int sequence = 1;
 
-  // Trigger CPU overuse, won't bite before first frame.
-  vie_encoder_->TriggerCpuOveruse();
   video_source_.IncomingCapturedFrame(
       CreateFrame(sequence, frame_width, frame_height));
   sink_.WaitForEncodedFrame(sequence++);
 
   VideoSendStream::Stats stats = stats_proxy_->GetStats();
   EXPECT_FALSE(stats.cpu_limited_resolution);
   EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
 
   // Trigger CPU overuse again, should now adapt down.
   vie_encoder_->TriggerCpuOveruse();
@@ skipping 300 matching lines @@
 
   // Trigger CPU normal use, return to original resoluton;
   vie_encoder_->TriggerCpuNormalUsage();
   video_source_.IncomingCapturedFrame(
       CreateFrame(3, kFrameWidth, kFrameHeight));
   sink_.WaitForEncodedFrame(kFrameWidth, kFrameHeight);
 
   vie_encoder_->Stop();
 }
 }  // namespace webrtc