| Index: content/test/content_test_launcher.cc | 
| diff --git a/content/test/content_test_launcher.cc b/content/test/content_test_launcher.cc | 
| index 00e121de7a90b82e3c1f91838974f9fa5b24d951..1ffcc4412bc428893d1ebd4810c31b5dd7c8b9bb 100644 | 
| --- a/content/test/content_test_launcher.cc | 
| +++ b/content/test/content_test_launcher.cc | 
| @@ -110,7 +110,9 @@ class ContentTestLauncherDelegate : public TestLauncherDelegate { | 
| const base::FilePath& temp_data_dir) override { | 
| command_line->AppendSwitchPath(switches::kContentShellDataPath, | 
| temp_data_dir); | 
| -    command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream); | 
| +    command_line->AppendSwitchASCII( | 
| +        switches::kUseFakeDeviceForMediaStream, | 
| +        "device-count=2");  // A color and a 16-bit depth device. | 
| return true; | 
| } | 
|  | 
|  |