Remove the usage of WebElement::innerText in Chromium.

content/shell/renderer/test_runner/web_test_proxy.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/test_runner/web_test_proxy.h"
 
 #include <cctype>
 
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 293 matching lines @@
   if (recursive) {
     for (blink::WebFrame* child = frame->firstChild(); child;
          child = child->nextSibling())
       result.append(DumpFramesAsMarkup(child, recursive));
   }
 
   return result;
 }
 
 std::string DumpDocumentText(blink::WebFrame* frame) {
-  // We use the document element's text instead of the body text here because
-  // not all documents have a body, such as XML documents.
-  blink::WebElement document_element = frame->document().documentElement();
-  if (document_element.isNull())
-    return std::string();
-  return document_element.innerText().utf8();
+  return frame->document().contentAsTextForTesting().utf8();
 }
 
 std::string DumpFramesAsText(blink::WebFrame* frame, bool recursive) {
   std::string result = DumpFrameHeaderIfNeeded(frame);
   result.append(DumpDocumentText(frame));
   result.append("\n");
 
   if (recursive) {
     for (blink::WebFrame* child = frame->firstChild(); child;
          child = child->nextSibling())
@@ skipping 1059 matching lines @@
   // to cancel the input method's ongoing composition session.
   if (web_widget_)
     web_widget_->confirmComposition();
 }
 
 blink::WebString WebTestProxyBase::acceptLanguages() {
   return blink::WebString::fromUTF8(accept_languages_);
 }
 
 }  // namespace content