Add PluginServiceFilter interface.

chrome/browser/pdf_unsupported_feature.cc

Index: chrome/browser/pdf_unsupported_feature.cc
diff --git a/chrome/browser/pdf_unsupported_feature.cc b/chrome/browser/pdf_unsupported_feature.cc
index 91127652c10b84bbd56d15014b3f7f26ef9f5ffe..8569f9c4a0e637ee9066169b5d4abdbfab65d9ab 100644
--- a/chrome/browser/pdf_unsupported_feature.cc
+++ b/chrome/browser/pdf_unsupported_feature.cc
@@ -8,6 +8,7 @@
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/plugin_updater.h"
+#include "chrome/browser/chrome_plugin_service_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/chrome_interstitial_page.h"
@@ -137,7 +138,7 @@ void OpenUsingReader(TabContentsWrapper* tab,
                      const WebPluginInfo& reader_plugin,
                      InfoBarDelegate* old_delegate,
                      InfoBarDelegate* new_delegate) {
-  PluginService::OverriddenPlugin plugin;
+  ChromePluginServiceHelper::OverriddenPlugin plugin;
   plugin.render_process_id = tab->render_view_host()->process()->id();
   plugin.render_view_id = tab->render_view_host()->routing_id();
   plugin.url = tab->tab_contents()->GetURL();
@@ -149,7 +150,7 @@ void OpenUsingReader(TabContentsWrapper* tab,
   plugin.plugin.enabled = WebPluginInfo::USER_ENABLED;
   plugin.plugin.version = ASCIIToUTF16("11.0.0.0");
 
-  PluginService::GetInstance()->OverridePluginForTab(plugin);
+  ChromePluginServiceHelper::GetInstance()->OverridePluginForTab(plugin);
   tab->render_view_host()->Send(new ViewMsg_ReloadFrame(
       tab->render_view_host()->routing_id()));