Cast: cast_simulator to use the same settings at the extension

Set the cast simulator same default values as the extensions.
This means 400 ms target latency and 2 - 2.5mbits/s bitrate.

TBR=miu

Review URL: https://codereview.chromium.org/473373002

Cr-Commit-Position: refs/heads/master@{#290134}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290134 0039d316-1c4b-4281-b951-d872f2087c98

media/cast/test/simulator.cc

@@ -65,7 +65,7 @@ using media::cast::proto::NetworkSimulationModelType;
 namespace media {
 namespace cast {
 namespace {
-const int kTargetDelay = 300;
+const int kTargetDelay = 400;
 const char kSourcePath[] = "source";
 const char kModelPath[] = "model";
 const char kOutputPath[] = "output";
@@ -230,9 +230,9 @@ void RunSimulation(const base::FilePath& source_path,
 
   // Video sender config.
   VideoSenderConfig video_sender_config = GetDefaultVideoSenderConfig();
-  video_sender_config.max_bitrate = 4000000;
+  video_sender_config.max_bitrate = 2500000;
   video_sender_config.min_bitrate = 2000000;
-  video_sender_config.start_bitrate = 4000000;
+  video_sender_config.start_bitrate = 2000000;
   video_sender_config.target_playout_delay =
       base::TimeDelta::FromMilliseconds(kTargetDelay);