Add use counters for lots of DOM APIs.

third_party/WebKit/Source/core/html/HTMLOptionElement.idl

Index: third_party/WebKit/Source/core/html/HTMLOptionElement.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLOptionElement.idl b/third_party/WebKit/Source/core/html/HTMLOptionElement.idl
index d3325f8fa23720c8d0c0ba559c9f7d96b5f154ee..66698f5d0ee55ca8f0e018c1f30e5949525a1bfc 100644
--- a/third_party/WebKit/Source/core/html/HTMLOptionElement.idl
+++ b/third_party/WebKit/Source/core/html/HTMLOptionElement.idl
@@ -28,14 +28,14 @@
     ConstructorCallWith=Document,
     RaisesException=Constructor
 ] interface HTMLOptionElement : HTMLElement {
-    [CEReactions, Reflect] attribute boolean disabled;
-    readonly attribute HTMLFormElement? form;
-    [CEReactions] attribute DOMString label;
-    [CEReactions, Reflect=selected] attribute boolean defaultSelected;
-    [ImplementedAs=selectedForBinding] attribute boolean selected;
-    [CEReactions] attribute DOMString value;
+  [Measure, CEReactions, Reflect] attribute boolean disabled;
+    [Measure] readonly attribute HTMLFormElement? form;
+  [Measure, CEReactions] attribute DOMString label;
+  [Measure, CEReactions, Reflect=selected] attribute boolean defaultSelected;
+  [Measure, ImplementedAs=selectedForBinding] attribute boolean selected;
+  [Measure, CEReactions] attribute DOMString value;
 
     // TODO(foolip): The text setter should never throw.
-    [CEReactions, RaisesException=Setter] attribute DOMString text;
-    readonly attribute long index;
+  [Measure, CEReactions, RaisesException=Setter] attribute DOMString text;
+  [Measure] readonly attribute long index;
 };