Rewrite references to "wtf/" to "platform/wtf/" in modules.

third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractorTest.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 <memory>
 #include <string>
 #include <utility>
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/testing/DummyPageHolder.h"
 #include "modules/document_metadata/CopylessPasteExtractor.h"
 #include "platform/json/JSONValues.h"
 #include "public/platform/modules/document_metadata/copyless_paste.mojom-blink.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 namespace {
 
 using mojom::document_metadata::blink::Entity;
 using mojom::document_metadata::blink::EntityPtr;
 using mojom::document_metadata::blink::Property;
 using mojom::document_metadata::blink::PropertyPtr;
 using mojom::document_metadata::blink::Values;
@@ skipping 799 matching lines @@
 
   restaurant->properties.push_back(
       createEntityProperty("1", std::move(entity1)));
 
   expected->entities.push_back(std::move(restaurant));
   EXPECT_EQ(expected, extracted);
 }
 
 }  // namespace
 }  // namespace blink