Create an API around PluginService and use it from Chrome.

chrome/browser/component_updater/npapi_flash_component_installer.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/component_updater/flash_component_installer.h"
 
+#include <algorithm>
+
 #include "base/base_paths.h"
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/plugin_prefs.h"
 #include "chrome/common/chrome_paths.h"
-#include "content/browser/plugin_service.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/plugin_service.h"
 #include "webkit/plugins/webplugininfo.h"
 
 using content::BrowserThread;
+using content::PluginService;
 
 namespace {
 
 // CRX hash. The extension id is: immdilkhigodmjbnngapbehchmihabbg.
 const uint8 sha2_hash[] = {0x8c, 0xc3, 0x8b, 0xa7, 0x86, 0xe3, 0xc9, 0x1d,
                            0xd6, 0x0f, 0x14, 0x72, 0x7c, 0x87, 0x01, 0x16,
                            0xe2, 0x00, 0x6c, 0x98, 0xbc, 0xfb, 0x14, 0x1b,
                            0x5c, 0xcd, 0xff, 0x3d, 0xa3, 0x2e, 0x2c, 0x49};
 
 // File name of the internal Flash plugin on different platforms.
@@ skipping 175 matching lines @@
 
   // Post the task to the FILE thread because IO may be done once the plugins
   // are loaded.
   BrowserThread::PostDelayedTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&PluginService::GetPlugins,
                  base::Unretained(PluginService::GetInstance()),
                  base::Bind(&StartFlashUpdateRegistration, cus)),
       8000);
 #endif
 }