| Index: content/shell/renderer/test_runner/test_runner.h | 
| diff --git a/content/shell/renderer/test_runner/test_runner.h b/content/shell/renderer/test_runner/test_runner.h | 
| index 69c5cb646ec0b243e45683ac85c525b7f5858429..c71502205d93d109a865787bbb96a921203a4d17 100644 | 
| --- a/content/shell/renderer/test_runner/test_runner.h | 
| +++ b/content/shell/renderer/test_runner/test_runner.h | 
| @@ -591,6 +591,9 @@ class TestRunner : public WebTestRunner, | 
| // test. | 
| void LocationChangeDone(); | 
|  | 
| +  // Sets a flag causing the next call to WebGLRenderingContext::create to fail. | 
| +  void ForceNextWebGLContextCreationToFail(); | 
| + | 
| bool test_is_running_; | 
|  | 
| // When reset is called, go through and close all but the main test shell | 
|  |