| Index: components/cronet/android/java/src/org/chromium/net/CronetEngine.java | 
| diff --git a/components/cronet/android/java/src/org/chromium/net/CronetEngine.java b/components/cronet/android/java/src/org/chromium/net/CronetEngine.java | 
| index 2de7e8d001ef96e49d84d07f5305d474fdbcc03e..2e3f0d7ad16012a1b4ee81e8f49cf87af4e709a0 100644 | 
| --- a/components/cronet/android/java/src/org/chromium/net/CronetEngine.java | 
| +++ b/components/cronet/android/java/src/org/chromium/net/CronetEngine.java | 
| @@ -292,6 +292,14 @@ public abstract class CronetEngine { | 
| } | 
|  | 
| /** | 
| +         * Sets a list of of mock certs to trust in testing. | 
| +         * @param mockCerts a comma delimited list of cert files. | 
| +         */ | 
| +        Builder setMockCertsForTesting(String mockCerts) { | 
| +            return putString(CronetEngineBuilderList.MOCK_CERTS_FOR_TESTING, mockCerts); | 
| +        } | 
| + | 
| +        /** | 
| * Get JSON string representation of the builder. | 
| */ | 
| @Override | 
|  |