OOPIF support for testRunner.dumpAsText and similar layout dumps.

components/test_runner/layout_dump.h

+// Copyright 2016 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 COMPONENTS_TEST_RUNNER_LAYOUT_DUMP_H_
+#define COMPONENTS_TEST_RUNNER_LAYOUT_DUMP_H_
+
+#include <string>
+
+#include "components/test_runner/layout_dump_flags.h"
+#include "components/test_runner/test_runner_export.h"
+
+namespace blink {
+class WebLocalFrame;
+}  // namespace blink
+
+namespace test_runner {
+
+TEST_RUNNER_EXPORT std::string DumpLayout(blink::WebLocalFrame* frame,
+                                          const LayoutDumpFlags& flags);
+
+}  // namespace test_runner
+
+#endif  // COMPONENTS_TEST_RUNNER_LAYOUT_DUMP_H_