Implement a basic PPAPI plugin for Blink layout tests.

content/public/test/ppapi_test_utils.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 CONTENT_PUBLIC_TEST_PPAPI_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_PPAPI_TEST_UTILS_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 
@@ skipping 14 matching lines @@
 bool RegisterTestPluginWithExtraParameters(
     base::CommandLine* command_line,
     const base::FilePath::StringType& extra_registration_parameters)
     WARN_UNUSED_RESULT;
 
 // Registers the Power Saver test plugin to application/x-ppapi-tests.
 // Returns true on success, and false otherwise.
 bool RegisterPowerSaverTestPlugin(base::CommandLine* command_line)
     WARN_UNUSED_RESULT;
 
+// Registers the Blink test plugin to application/x-blink-test-plugin.
+bool RegisterBlinkTestPlugin(base::CommandLine* command_line)
+    WARN_UNUSED_RESULT;
+
 }  // namespace ppapi
 
 #endif  // CONTENT_PUBLIC_TEST_PPAPI_TEST_UTILS_H_