compositor-worker: plumb element id and mutable properties

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
index 4d51cb8a53798cfdf7b835e5a4b01253204fe94c..28c4fe91b6721e700e35f63e99056606be326dd2 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
@@ -1185,6 +1185,18 @@ PaintController* GraphicsLayer::paintController()
     return m_paintController.get();
 }
 
+void GraphicsLayer::setElementId(uint64_t id)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setElementId(id);
+}
+
+void GraphicsLayer::setMutableProperties(uint32_t properties)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setMutableProperties(properties);
+}
+
 } // namespace blink
 
 #ifndef NDEBUG