| Index: net/base/mock_file_stream.h
 | 
| diff --git a/net/base/mock_file_stream.h b/net/base/mock_file_stream.h
 | 
| index f9c8bbd80245f16237064b9097891d6825a843cc..40ee2e8877bec06054df90c9973a4241f858dd9b 100644
 | 
| --- a/net/base/mock_file_stream.h
 | 
| +++ b/net/base/mock_file_stream.h
 | 
| @@ -21,7 +21,7 @@ namespace testing {
 | 
|  
 | 
|  class MockFileStream : public net::FileStream {
 | 
|   public:
 | 
| -  MockFileStream(net::NetLog* net_log)
 | 
| +  explicit MockFileStream(net::NetLog* net_log)
 | 
|        : net::FileStream(net_log), forced_error_(net::OK) {}
 | 
|  
 | 
|    MockFileStream(base::PlatformFile file, int flags, net::NetLog* net_log)
 | 
| 
 |