ResizeObserver: Olipan C++ tests

third_party/WebKit/Source/core/observer/ResizeObserverController.h

Index: third_party/WebKit/Source/core/observer/ResizeObserverController.h
diff --git a/third_party/WebKit/Source/core/observer/ResizeObserverController.h b/third_party/WebKit/Source/core/observer/ResizeObserverController.h
index 49265289100c0c142bd2fa88d7d7cf2deb1e378d..ca39cc27e5af85f52ba356e84d37628adf8f5ba8 100644
--- a/third_party/WebKit/Source/core/observer/ResizeObserverController.h
+++ b/third_party/WebKit/Source/core/observer/ResizeObserverController.h
@@ -38,6 +38,9 @@ public:
 
     DECLARE_TRACE();
 
+    // For testing only.
+    HeapHashSet<WeakMember<ResizeObserver>>& observers() { return m_observers; }

[esprehn, 2016/08/30 21:25:23]

const HeapHashSet<...> observers() const { ... }

[atotic1, 2016/08/31 19:05:15]

done.

+
 private:
     // Active observers
     HeapHashSet<WeakMember<ResizeObserver>> m_observers;