Add use counters for lots of DOM APIs.

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

Index: third_party/WebKit/Source/core/html/HTMLDocument.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLDocument.idl b/third_party/WebKit/Source/core/html/HTMLDocument.idl
index 0eda6bea4e44471d7ae6209e75a7a81da309d2c4..085db210d42e5108a1410a06728439b3636d7c36 100644
--- a/third_party/WebKit/Source/core/html/HTMLDocument.idl
+++ b/third_party/WebKit/Source/core/html/HTMLDocument.idl
@@ -27,9 +27,9 @@ interface HTMLDocument : Document {
     // https://html.spec.whatwg.org/#Document-partial
 
     [TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString fgColor;
-    [TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString linkColor;
-    [TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString vlinkColor;
-    [TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString alinkColor;
+  [Measure, TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString linkColor;
+  [Measure, TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString vlinkColor;
+  [Measure, TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString alinkColor;
     [TreatNullAs=EmptyString, CEReactions, CustomElementCallbacks] attribute DOMString bgColor;
 
     [MeasureAs=DocumentClear] void clear();
@@ -37,5 +37,5 @@ interface HTMLDocument : Document {
     [MeasureAs=DocumentReleaseEvents] void releaseEvents();
 
     // FIXME: all should not be [Replaceable].
-    [Replaceable, ImplementedAs=allForBinding] readonly attribute HTMLAllCollection all;
+  [Measure, Replaceable, ImplementedAs=allForBinding] readonly attribute HTMLAllCollection all;
 };