Make WebTaskRunner ThreadSafeRefCounted

third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp

Index: third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp b/third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp
index 82f6294f2150cf07a21814ee7981e9def4cebaed..1ee8f71911bd7b6a6470b87a6bf687817de2080a 100644
--- a/third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp
+++ b/third_party/WebKit/Source/core/fetch/ImageResourceTest.cpp
@@ -180,13 +180,13 @@ class ImageResourceTestMockFetchContext : public FetchContext {
     return true;
   }
   bool shouldLoadNewResource(Resource::Type) const override { return true; }
-  WebTaskRunner* loadingTaskRunner() const override { return m_runner.get(); }
+  RefPtr<WebTaskRunner> loadingTaskRunner() const override { return m_runner; }
 
  private:
   ImageResourceTestMockFetchContext()
-      : m_runner(wrapUnique(new scheduler::FakeWebTaskRunner)) {}
+      : m_runner(adoptRef(new scheduler::FakeWebTaskRunner)) {}
 
-  std::unique_ptr<scheduler::FakeWebTaskRunner> m_runner;
+  RefPtr<scheduler::FakeWebTaskRunner> m_runner;
 };
 
 // Convenience class that registers a mocked URL load on construction, and