| Index: third_party/WebKit/Source/web/tests/PrerenderingTest.cpp | 
| diff --git a/third_party/WebKit/Source/web/tests/PrerenderingTest.cpp b/third_party/WebKit/Source/web/tests/PrerenderingTest.cpp | 
| index 67f8091b548a4cb6dbde8720b3a8e36977c66977..ab9120858e766c8715ba62aedc052f124d1a2786 100644 | 
| --- a/third_party/WebKit/Source/web/tests/PrerenderingTest.cpp | 
| +++ b/third_party/WebKit/Source/web/tests/PrerenderingTest.cpp | 
| @@ -160,6 +160,11 @@ private: | 
| m_abandonedPrerenders.append(prerender); | 
| } | 
|  | 
| +    void detachRenderer() override | 
| +    { | 
| +        clear(); | 
| +    } | 
| + | 
| Vector<WebPrerender> m_addedPrerenders; | 
| Vector<WebPrerender> m_canceledPrerenders; | 
| Vector<WebPrerender> m_abandonedPrerenders; | 
|  |