Use cpuused=6 for lossy VP9 mode

remoting/codec/video_encoder_vpx.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/codec/video_encoder_vpx.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/sys_info.h"
@@ skipping 118 matching lines @@
     config.rc_min_quantizer = 20;
     config.rc_max_quantizer = 30;
   }
 
   if (vpx_codec_enc_init(codec.get(), algo, &config, 0))
     return ScopedVpxCodec();
 
   // Request the lowest-CPU usage that VP9 supports, which depends on whether
   // we are encoding lossy or lossless.
   // Note that this is configured via the same parameter as for VP8.
-  int cpu_used = lossless_encode ? 5 : 7;
+  int cpu_used = lossless_encode ? 5 : 6;
   if (vpx_codec_control(codec.get(), VP8E_SET_CPUUSED, cpu_used))
     return ScopedVpxCodec();
 
   // Use the lowest level of noise sensitivity so as to spend less time
   // on motion estimation and inter-prediction mode.
   if (vpx_codec_control(codec.get(), VP9E_SET_NOISE_SENSITIVITY, 0))
     return ScopedVpxCodec();
 
   return codec.Pass();
 }
@@ skipping 294 matching lines @@
     uint8* map = active_map_.get() + top * active_map_width_;
     for (int y = top; y <= bottom; ++y) {
       for (int x = left; x <= right; ++x)
         map[x] = 1;
       map += active_map_width_;
     }
   }
 }
 
 }  // namespace remoting