Create an API around PluginService and use it from Chrome.

chrome/browser/chromeos/gview_request_interceptor_unittest.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 <string>
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
@@ skipping 89 matching lines @@
     old_factory_ = request_context->job_factory();
     job_factory_.SetProtocolHandler("http", new GViewRequestProtocolFactory);
     job_factory_.AddInterceptor(new GViewRequestInterceptor);
     request_context->set_job_factory(&job_factory_);
     PluginPrefsFactory::GetInstance()->ForceRegisterPrefsForTest(&prefs_);
     plugin_prefs_ = new PluginPrefs();
     plugin_prefs_->SetPrefs(&prefs_);
     ChromePluginServiceFilter* filter =
         ChromePluginServiceFilter::GetInstance();
     filter->RegisterResourceContext(plugin_prefs_, resource_context);
-    PluginService::GetInstance()->set_filter(filter);
+    PluginService::GetInstance()->SetFilter(filter);
 
     ASSERT_TRUE(PathService::Get(chrome::FILE_PDF_PLUGIN, &pdf_path_));
 
     handler_ = new content::DummyResourceHandler();
 
     PluginService::GetInstance()->SetPluginListForTesting(&plugin_list_);
     PluginService::GetInstance()->Init();
   }
 
   virtual void TearDown() {
     plugin_prefs_->ShutdownOnUIThread();
     content::ResourceContext* resource_context =
         content::MockResourceContext::GetInstance();
     net::URLRequestContext* request_context =
         resource_context->request_context();
     request_context->set_job_factory(old_factory_);
     ChromePluginServiceFilter* filter =
         ChromePluginServiceFilter::GetInstance();
     filter->UnregisterResourceContext(resource_context);
-    PluginService::GetInstance()->set_filter(NULL);
+    PluginService::GetInstance()->SetFilter(NULL);
   }
 
   void RegisterPDFPlugin() {
     webkit::WebPluginInfo info;
     info.path = pdf_path_;
     plugin_list_.AddPluginToLoad(info);
   }
 
   void UnregisterPDFPlugin() {
     plugin_list_.ClearPluginsToLoad();
@@ skipping 148 matching lines @@
   SetupRequest(&request);
   request.Start();
   MessageLoop::current()->Run();
   EXPECT_EQ(0, test_delegate_.received_redirect_count());
   EXPECT_EQ(GURL(kPdfBlob), request.url());
 }
 
 }  // namespace
 
 }  // namespace chromeos