Rewrite references to "wtf/" to "platform/wtf/" in core/editing.

third_party/WebKit/Source/core/editing/EditingTestBase.h

 // Copyright 2015 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.
 
 #ifndef EditingTestBase_h
 #define EditingTestBase_h
 
 #include <gtest/gtest.h>
 #include <memory>
 #include <string>
 #include "core/editing/Position.h"
 #include "core/testing/DummyPageHolder.h"
-#include "wtf/Forward.h"
+#include "platform/wtf/Forward.h"
 
 namespace blink {
 
 class FrameSelection;
 class LocalFrame;
 
 class EditingTestBase : public ::testing::Test {
   USING_FAST_MALLOC(EditingTestBase);
 
  protected:
@@ skipping 19 matching lines @@
                                const char* shadow_host_id);
   void UpdateAllLifecyclePhases();
 
  private:
   std::unique_ptr<DummyPageHolder> dummy_page_holder_;
 };
 
 }  // namespace blink
 
 #endif  // EditingTestBase_h