Add use counters for lots of DOM APIs.

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

Index: third_party/WebKit/Source/modules/geolocation/Geolocation.idl
diff --git a/third_party/WebKit/Source/modules/geolocation/Geolocation.idl b/third_party/WebKit/Source/modules/geolocation/Geolocation.idl
index 03ae15111ec85e6058549bd16b1c84e3acc1ad66..8b595b7018be3e134aafa325e7372f60e911b87c 100644
--- a/third_party/WebKit/Source/modules/geolocation/Geolocation.idl
+++ b/third_party/WebKit/Source/modules/geolocation/Geolocation.idl
@@ -27,13 +27,13 @@
 [
     NoInterfaceObject,
 ] interface Geolocation {
-    [LogActivity] void getCurrentPosition(PositionCallback successCallback,
+  [Measure, LogActivity] void getCurrentPosition(PositionCallback successCallback,
                                      optional PositionErrorCallback errorCallback,
                                      optional PositionOptions options);
 
-    [LogActivity] long watchPosition(PositionCallback successCallback,
+  [Measure, LogActivity] long watchPosition(PositionCallback successCallback,
                                 optional PositionErrorCallback errorCallback,
                                 optional PositionOptions options);
 
-    void clearWatch(long watchID);
+    [Measure] void clearWatch(long watchID);
 };