Prefer System Flash over non-local component updated Flash.

chrome/common/pepper_flash.h

 // Copyright (c) 2012 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 CHROME_COMMON_PEPPER_FLASH_H_
 #define CHROME_COMMON_PEPPER_FLASH_H_
 
 #include <stdint.h>
 
 #include "base/values.h"
 #include "base/version.h"
 
 namespace chrome {
 // Permission bits for Pepper Flash.
 extern const int32_t kPepperFlashPermissions;
 
 // Returns true if this browser is compatible with the given Pepper Flash
 // manifest, with the version specified in the manifest in |version_out|.
 bool CheckPepperFlashManifest(const base::DictionaryValue& manifest,
                               base::Version* version_out);
+
+// Returns true if the version of Flash installed on the system is the Flash
+// Script debugger.
+bool IsSystemFlashScriptDebuggerPresent();
+
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_PEPPER_FLASH_H_