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 1064a9a8c14c8dbd36dd98205a05b269695a0bbd..5a0f8d4cc2ffc119a1c6c2dd4c889c7238cc0b08 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
@@ -1216,6 +1216,18 @@ PaintController* GraphicsLayer::paintController()
     return m_paintController.get();
 }
 
+void GraphicsLayer::setElementId(uint64_t id)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setElementId(id);
+}
+
+void GraphicsLayer::setCompositorMutableProperties(uint32_t properties)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setCompositorMutableProperties(properties);
+}
+
 } // namespace blink
 
 #ifndef NDEBUG