Add use counters for lots of DOM APIs.

third_party/WebKit/Source/modules/geolocation/Coordinates.idl

Index: third_party/WebKit/Source/modules/geolocation/Coordinates.idl
diff --git a/third_party/WebKit/Source/modules/geolocation/Coordinates.idl b/third_party/WebKit/Source/modules/geolocation/Coordinates.idl
index ed2b8bf6c3705b5da62d51936e004d227992d7e5..c7cc1028a0c26952678d789d3257f1ccd3459f3f 100644
--- a/third_party/WebKit/Source/modules/geolocation/Coordinates.idl
+++ b/third_party/WebKit/Source/modules/geolocation/Coordinates.idl
@@ -26,11 +26,11 @@
 [
     NoInterfaceObject
 ] interface Coordinates {
-    readonly attribute double latitude;
-    readonly attribute double longitude;
-    readonly attribute double? altitude;
-    readonly attribute double accuracy;
-    readonly attribute double? altitudeAccuracy;
-    readonly attribute double? heading;
-    readonly attribute double? speed;
+    [MeasureAs=GeolocationAPI] readonly attribute double latitude;
+    [MeasureAs=GeolocationAPI] readonly attribute double longitude;
+    [MeasureAs=GeolocationAPI] readonly attribute double? altitude;
+    [MeasureAs=GeolocationAPI] readonly attribute double accuracy;
+    [MeasureAs=GeolocationAPI] readonly attribute double? altitudeAccuracy;
+    [MeasureAs=GeolocationAPI] readonly attribute double? heading;
+    [MeasureAs=GeolocationAPI] readonly attribute double? speed;
 };