compositor-worker: plumb element id and mutable properties

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

Index: third_party/WebKit/Source/core/dom/Element.h
diff --git a/third_party/WebKit/Source/core/dom/Element.h b/third_party/WebKit/Source/core/dom/Element.h
index b4b5cbbf086bb47984c4ae36cce8ae609a699e61..e0d4d36254fd838ed7840ee8d923d0b7162af02e 100644
--- a/third_party/WebKit/Source/core/dom/Element.h
+++ b/third_party/WebKit/Source/core/dom/Element.h
@@ -531,8 +531,10 @@ public:
     void setTabIndex(int);
     short tabIndex() const override;
 
-    void incrementProxyCount();
-    void decrementProxyCount();
+    bool hasCompositorProxy() const;
+    void incrementProxiedPropertyCounts(uint32_t mutableProperties);

[chrishtr, 2015/11/24 16:22:50]

Please document what this is doing.

[Ian Vollick, 2015/11/25 18:28:45]

Done.

+    void decrementProxiedPropertyCounts(uint32_t mutableProperties);
+    uint32_t mutableProperties() const;
 
     DECLARE_VIRTUAL_TRACE();