Measure usage of image/media/plugin/text documents

third_party/WebKit/Source/core/loader/SinkDocument.cpp

 /*
  * Copyright (C) 2010 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/loader/SinkDocument.h"
 
 #include "core/dom/RawDataDocumentParser.h"
+#include "core/frame/UseCounter.h"
 
 namespace blink {
 
 class SinkDocumentParser : public RawDataDocumentParser {
 public:
     static SinkDocumentParser* create(SinkDocument* document)
     {
         return new SinkDocumentParser(document);
     }
 
 private:
     SinkDocumentParser(SinkDocument* document)
         : RawDataDocumentParser(document)
     {
     }
 
     // Ignore all data.
     void appendBytes(const char*, size_t) override { }
 };
 
 SinkDocument::SinkDocument(const DocumentInit& initializer)
     : HTMLDocument(initializer)
 {
     setCompatibilityMode(QuirksMode);
     lockCompatibilityMode();
+    UseCounter::count(*this, UseCounter::SinkDocument);
+    if (ownerElement())
+        UseCounter::count(*this, UseCounter::SinkDocumentInFrame);
 }
 
 DocumentParser* SinkDocument::createParser()
 {
     return SinkDocumentParser::create(this);
 }
 
 } // namespace blink