Create an API around PluginService and use it from Chrome.

chrome/browser/extensions/file_manager_util.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/extensions/file_manager_util.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/plugin_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/simple_message_box.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/url_constants.h"
-#include "content/browser/plugin_service.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/plugin_service.h"
 #include "content/public/browser/user_metrics.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
 #include "webkit/fileapi/file_system_util.h"
+#include "webkit/plugins/webplugininfo.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/media/media_player.h"
 #endif
 
 using content::BrowserThread;
+using content::PluginService;
 using content::UserMetricsAction;
 
 #define FILEBROWSER_DOMAIN "hhaomjibdihmijegdhdafkllkbggdgoj"
 const char kFileBrowserDomain[] = FILEBROWSER_DOMAIN;
 
 namespace file_manager_util {
 namespace {
 
 #define FILEBROWSER_URL(PATH) \
     ("chrome-extension://" FILEBROWSER_DOMAIN "/" PATH)
@@ skipping 295 matching lines @@
                                              kUMATrackingExtensions,
                                              arraysize(kUMATrackingExtensions));
   UMA_HISTOGRAM_ENUMERATION("FileBrowser.OpeningFileType",
                             extension_index,
                             arraysize(kUMATrackingExtensions) - 1);
   return false;
 }
 
 }  // namespace file_manager_util