Add counters for all of the WebAudio nodes and important methods.

Source/core/frame/UseCounter.cpp

 
 /*
  * Copyright (C) 2012 Google, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 815 matching lines @@
 
     case ShadowRootGetElementsByTagName:
         return "ShadowRoot.getElementsByTagName() is deprecated. Please use 'querySelectorAll' instead";
 
     case ShadowRootGetElementsByTagNameNS:
         return "ShadowRoot.getElementsByTagNameNS() is deprecated. Please use 'querySelectorAll' instead";
 
     case PrefixedWindowURL:
         return replacedBy("webkitURL", "URL");
 
+    case PrefixedAudioContext:
+        return "webkitAudioContext is deprecated; use AudioContext instead";

[Ken Russell (switch to Gerrit), 2014/12/17 00:44:30]

Use replacedBy("webkitAudioContext", "AudioContext").

[Raymond Toy, 2014/12/17 05:53:08]

Done.

+
+    case PrefixedOfflineAudioContext:
+        return "webkitOfflineAudioContext is deprecated; use OfflineAudioContext instead";

[Ken Russell (switch to Gerrit), 2014/12/17 00:44:30]

Similar comment here.

[Raymond Toy, 2014/12/17 05:53:08]

Done.

+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 void UseCounter::count(CSSParserContext context, CSSPropertyID feature)
 {
     ASSERT(feature >= firstCSSProperty);
     ASSERT(feature <= lastCSSProperty);
@@ skipping 28 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        http://crbug.com/242125
     if (sheetContents && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace blink