Add feature extraction for distillability to Blink

third_party/WebKit/Source/web/WebDocument.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #include "config.h"
 #include "public/web/WebDocument.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8ElementRegistrationOptions.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/CSSSelectorWatch.h"
 #include "core/dom/Document.h"
+#include "core/dom/DocumentStatisticsCollector.h"
 #include "core/dom/DocumentType.h"
 #include "core/dom/Element.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/StyleEngine.h"
 #include "core/events/Event.h"
 #include "core/html/HTMLAllCollection.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutView.h"
 #include "core/loader/DocumentLoader.h"
 #include "modules/accessibility/AXObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "platform/weborigin/SecurityOrigin.h"
+#include "public/platform/WebDistillability.h"
 #include "public/platform/WebURL.h"
 #include "public/web/WebAXObject.h"
 #include "public/web/WebDOMEvent.h"
 #include "public/web/WebDocumentType.h"
 #include "public/web/WebElement.h"
 #include "public/web/WebElementCollection.h"
 #include "public/web/WebFormElement.h"
 #include "public/web/WebNodeList.h"
 #include "web/WebLocalFrameImpl.h"
 #include "wtf/PassRefPtr.h"
@@ skipping 246 matching lines @@
 
 bool WebDocument::manifestUseCredentials() const
 {
     const Document* document = constUnwrap<Document>();
     HTMLLinkElement* linkElement = document->linkManifest();
     if (!linkElement)
         return false;
     return equalIgnoringCase(linkElement->fastGetAttribute(HTMLNames::crossoriginAttr), "use-credentials");
 }
 
+WebDistillabilityFeatures WebDocument::distillabilityFeatures()
+{
+    return DocumentStatisticsCollector::collectStatistics(*unwrap<Document>());
+}
+
 WebDocument::WebDocument(const PassRefPtrWillBeRawPtr<Document>& elem)
     : WebNode(elem)
 {
 }
 
 DEFINE_WEB_NODE_TYPE_CASTS(WebDocument, constUnwrap<Node>()->isDocumentNode());
 
 WebDocument& WebDocument::operator=(const PassRefPtrWillBeRawPtr<Document>& elem)
 {
     m_private = elem;
     return *this;
 }
 
 WebDocument::operator PassRefPtrWillBeRawPtr<Document>() const
 {
     return toDocument(m_private.get());
 }
 
 } // namespace blink