Initial ResizeObserver implementation

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 2816210aa4d48655d719edabd21b46e1998617dd..a08684d0ac9ebee250e383a2ca571e050650913c 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -144,6 +144,7 @@ class PlatformMouseEvent;
 class ProcessingInstruction;
 class QualifiedName;
 class Range;
+class ResizeObserverController;
 class LayoutView;
 class ResourceFetcher;
 class SVGDocumentExtensions;
@@ -689,6 +690,9 @@ public:
     IntersectionObserverController& ensureIntersectionObserverController();
     NodeIntersectionObserverData& ensureIntersectionObserverData();
 
+    bool hasResizeObserverController() const { return m_resizeObserverController; }

[szager1, 2016/05/23 19:49:10]

This should just be:

ResizeObserverController* resizeObserverController() const { return
m_resizeObserverController; }

This is the preferred way to bool-check a Member<>.

[atotic1, 2016/05/25 00:15:52]

Done.

+    ResizeObserverController& ensureResizeObserverController();
+
     void updateViewportDescription();
     void processReferrerPolicy(const String& policy);
 
@@ -1389,6 +1393,8 @@ private:
 
     Member<IntersectionObserverController> m_intersectionObserverController;
     Member<NodeIntersectionObserverData> m_intersectionObserverData;
+    Member<ResizeObserverController>

[szager1, 2016/05/23 19:49:10]

Don't wrap.

[atotic1, 2016/05/25 00:15:52]

Done.

+        m_resizeObserverController;
 
     int m_nodeCount;