Add use counters for lots of DOM APIs.

third_party/WebKit/Source/core/timing/Performance.idl

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 29 matching lines @@
 
     // Performance Timeline
     // https://w3c.github.io/performance-timeline/#the-performance-interface
     // TODO(foolip): getEntries() should take an optional FilterOptions argument.
     [MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntries();
     [MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntriesByType(DOMString entryType);
     [MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntriesByName(DOMString name, optional DOMString entryType = null);
 
     // Resource Timing
     // https://w3c.github.io/resource-timing/#extensions-performance-interface
-    void clearResourceTimings();
-    void setResourceTimingBufferSize(unsigned long maxSize);
-    attribute EventHandler onresourcetimingbufferfull;
+    [Measure] void clearResourceTimings();
+    [Measure] void setResourceTimingBufferSize(unsigned long maxSize);
+    [Measure] attribute EventHandler onresourcetimingbufferfull;
 
     // TODO(ksakamoto): Remove these prefixed APIs.
     [DeprecateAs=PrefixedPerformanceClearResourceTimings, ImplementedAs=clearResourceTimings] void webkitClearResourceTimings();
     [DeprecateAs=PrefixedPerformanceSetResourceTimingBufferSize, ImplementedAs=setResourceTimingBufferSize] void webkitSetResourceTimingBufferSize(unsigned long maxSize);
     [DeprecateAs=PrefixedPerformanceResourceTimingBufferFull] attribute EventHandler onwebkitresourcetimingbufferfull;
 
     // Navigation Timing
     // https://w3c.github.io/navigation-timing/#extensions-to-the-performance-interface
     [SameObject, Measure] readonly attribute PerformanceTiming timing;
     [SameObject, Measure] readonly attribute PerformanceNavigation navigation;
@@ skipping 11 matching lines @@
     [RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void clearFrameTimings();
     [RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void setFrameTimingBufferSize(unsigned long maxSize);
     [RuntimeEnabled=FrameTimingSupport] attribute EventHandler onframetimingbufferfull;
 
     // TODO(foolip): There is no spec for the Memory Info API, see blink-dev:
     // https://groups.google.com/a/chromium.org/d/msg/blink-dev/g5YRCGpC9vs/b4OJz71NmPwJ
     [Measure] readonly attribute MemoryInfo memory;
 
     serializer = {attribute};
 };