Create an API around PluginService and use it from Chrome.

chrome/browser/chromeos/gview_request_interceptor.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/chromeos/gview_request_interceptor.h"
 
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/url_constants.h"
-#include "content/browser/plugin_service.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
+#include "content/public/browser/plugin_service.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_redirect_job.h"
 #include "webkit/plugins/webplugininfo.h"
 
+using content::PluginService;
+
 namespace chromeos {
 
 namespace {
 
 // The PDF mime type is treated special if the browser has a built-in
 // PDF viewer plug-in installed - we want to intercept only if we're
 // told to.
 const char kPdfMimeType[] = "application/pdf";
 
 // This is the list of mime types currently supported by the Google
@@ skipping 78 matching lines @@
   // will redirect the browser to this new URL.
   if (supported_mime_types_.count(mime_type) > 0) {
     std::string url(kGViewUrlPrefix);
     url += net::EscapePath(request->url().spec());
     return new net::URLRequestRedirectJob(request, GURL(url));
   }
   return NULL;
 }
 
 }  // namespace chromeos