return pointer

third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.cpp

 // Copyright 2017 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 "modules/document_metadata/CopylessPasteExtractor.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 #include "core/HTMLNames.h"
@@ skipping 250 matching lines @@
         default:
           return false;
       }
     }
   }
   return !entities.isEmpty();
 }
 
 }  // namespace
 
-bool CopylessPasteExtractor::extract(const Document& document,
-                                     mojom::blink::WebPage& page) {
+mojom::blink::WebPagePtr CopylessPasteExtractor::extract(
+    const Document& document) {
   TRACE_EVENT0("blink", "CopylessPasteExtractor::extract");
 
   if (!document.frame() || !document.frame()->isMainFrame())
-    return false;
+    return nullptr;
 
   DCHECK(document.hasFinishedParsing());
 
   Element* html = document.documentElement();
   if (!html)
-    return false;
+    return nullptr;
 
   double startTime = monotonicallyIncreasingTime();
 
+  mojom::blink::WebPagePtr page = mojom::blink::WebPage::New();
   // Traverse the DOM tree and extract the metadata.
-  if (!extractMetadata(*html, page.entities))
-    return false;
-  page.url = document.url();
-  page.title = document.title();
+  if (!extractMetadata(*html, page->entities))
+    return nullptr;
+  page->url = document.url();
+  page->title = document.title();
 
   double elapsedTime = monotonicallyIncreasingTime() - startTime;
 
   DEFINE_STATIC_LOCAL(CustomCountHistogram, extractionHistogram,
                       ("CopylessPaste.ExtractionUs", 1, 1000000, 50));
   extractionHistogram.count(static_cast<int>(1e6 * elapsedTime));
-  return true;
+  return page;
 }
 
 }  // namespace blink