Move the injection test API to content/public.

content/public/common/injection_test_mac.h

Index: content/public/common/injection_test_mac.h
diff --git a/chrome/test/security_tests/renderer_sandbox_tests_mac.h b/content/public/common/injection_test_mac.h
similarity index 85%
rename from chrome/test/security_tests/renderer_sandbox_tests_mac.h
rename to content/public/common/injection_test_mac.h
index 24b0f3dba10af17b8d61602e5cc466cdeaa5f2fc..c95e86a938a55c5ab7f9a6ffc14f27f412bdd8b8 100644
--- a/chrome/test/security_tests/renderer_sandbox_tests_mac.h
+++ b/content/public/common/injection_test_mac.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 CHROME_TEST_SECURITY_TESTS_RENDERER_SANDBOX_TESTS_MAC_H_
-#define CHROME_TEST_SECURITY_TESTS_RENDERER_SANDBOX_TESTS_MAC_H_
+#ifndef CONTENT_PUBLIC_COMMON_INJECTION_TEST_MAC_H_
+#define CONTENT_PUBLIC_COMMON_INJECTION_TEST_MAC_H_
 
 #import <Foundation/Foundation.h>
 
@@ -31,4 +31,4 @@ typedef void (*LogRendererSandboxTestMessage)(std::string message,
 
 @end
 
-#endif  // CHROME_TEST_SECURITY_TESTS_RENDERER_SANDBOX_TESTS_MAC_H_
+#endif  // CONTENT_PUBLIC_COMMON_INJECTION_TEST_MAC_H_