Move test runner to a component

components/test_runner/renderer/test_common.h

Index: components/test_runner/renderer/test_common.h
diff --git a/content/shell/renderer/test_runner/test_common.h b/components/test_runner/renderer/test_common.h
similarity index 71%
rename from content/shell/renderer/test_runner/test_common.h
rename to components/test_runner/renderer/test_common.h
index 6110c52c94ad5a33dca4f089ecace019911cb469..2a22df465dff5e5e15c39d1962d18e20b2370f33 100644
--- a/content/shell/renderer/test_runner/test_common.h
+++ b/components/test_runner/renderer/test_common.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_COMMON_H_
-#define CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_COMMON_H_
+#ifndef COMPONENTS_TEST_RUNNER_RENDERER_TEST_COMMON_H_
+#define COMPONENTS_TEST_RUNNER_RENDERER_TEST_COMMON_H_
 
 #include <string>
 
@@ -21,4 +21,4 @@ std::string NormalizeLayoutTestURL(const std::string& url);
 
 }  // namespace content
 
-#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_COMMON_H_
+#endif  // COMPONENTS_TEST_RUNNER_RENDERER_TEST_COMMON_H_