| Index: content/shell/common/shell_content_client.cc
 | 
| diff --git a/content/shell/common/shell_content_client.cc b/content/shell/common/shell_content_client.cc
 | 
| index 2e420895e28bb983ca93e6fcce028d1650d491ef..b9b97126536df19ce971cb825c39c11a8b03b595 100644
 | 
| --- a/content/shell/common/shell_content_client.cc
 | 
| +++ b/content/shell/common/shell_content_client.cc
 | 
| @@ -91,4 +91,9 @@ gfx::Image& ShellContentClient::GetNativeImageNamed(int resource_id) const {
 | 
|    return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 | 
|  }
 | 
|  
 | 
| +bool ShellContentClient::IsSupplementarySiteIsolationModeEnabled() {
 | 
| +  return base::CommandLine::ForCurrentProcess()->HasSwitch(
 | 
| +      switches::kIsolateSitesForTesting);
 | 
| +}
 | 
| +
 | 
|  }  // namespace content
 | 
| 
 |