Revert of Replace IPC messages in layout_test_render_frame_observer.

content/shell/common/shell_test_configuration.h

+// Copyright (c) 2013 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 CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_
+#define CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_
+
+#include <string>
+
+#include "base/files/file_path.h"
+#include "ui/gfx/geometry/size.h"
+#include "url/gurl.h"
+
+namespace content {
+
+struct ShellTestConfiguration {
+  ShellTestConfiguration();
+  ~ShellTestConfiguration();
+
+  // The current working directory.
+  base::FilePath current_working_directory;
+
+  // The temporary directory of the system.
+  base::FilePath temp_path;
+
+  // The URL of the current layout test.
+  GURL test_url;
+
+  // True if pixel tests are enabled.
+  bool enable_pixel_dumping;
+
+  // True if tests can open external URLs
+  bool allow_external_pages;
+
+  // The expected MD5 hash of the pixel results.
+  std::string expected_pixel_hash;
+
+  // The initial size of the test window.
+  gfx::Size initial_size;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_SHELL_COMMON_SHELL_TEST_CONFIGURATION_H_