Remove use of WebNode/WebElement in translate_helper

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index ada10d8cd839af05103b6d214ea3b6045d82de1a..6d746fffdeb9816d7a33d5ed9751035344d1d06d 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -1258,6 +1258,34 @@ void Document::setContentLanguage(const AtomicString& language) {
                                               StyleChangeReason::Language));
 }
 
+const AtomicString& Document::documentLanguage() const {

[dglazkov, 2016/12/16 23:00:28]

I would avoid adding a new method on Document. Think of it this way: ideally,
the only methods on Document are those that are in Document.idl -- the API
description of the class. Everything else is consuming Document as an API.

+  Element* htmlElement = documentElement();
+  if (!htmlElement)
+    return nullAtom;
+  return htmlElement->getAttribute(HTMLNames::langAttr);
+}
+
+Vector<AtomicString> Document::getMetaValues(const AtomicString& name) const {
+  Vector<AtomicString> results;
+
+  HTMLHeadElement* headElement = head();
+  if (!headElement)
+    return results;
+
+  for (const HTMLMetaElement& metaElement :
+       Traversal<HTMLMetaElement>::childrenOf(*headElement)) {
+    if (metaElement.name() != name)
+      continue;
+    AtomicString content = metaElement.content();
+    if (content.isNull())
+      results.push_back(metaElement.getAttribute(HTMLNames::valueAttr));
+    else
+      results.push_back(std::move(content));
+  }
+
+  return results;
+}
+
 void Document::setXMLVersion(const String& version,
                              ExceptionState& exceptionState) {
   if (!XMLDocumentParser::supportsXMLVersion(version)) {