Use PluginPrefs in ChromePluginServiceFilter to check whether a plugin is enabled.

chrome/browser/plugin_data_remover_browsertest.cc

Index: chrome/browser/plugin_data_remover_browsertest.cc
diff --git a/chrome/browser/plugin_data_remover_browsertest.cc b/chrome/browser/plugin_data_remover_browsertest.cc
index fcf8038eafc605f1b86e37e095f52a229c3138bb..ffe0a2c257099cf7fff5a8c868097c893db50681 100644
--- a/chrome/browser/plugin_data_remover_browsertest.cc
+++ b/chrome/browser/plugin_data_remover_browsertest.cc
@@ -56,7 +56,8 @@ class PluginDataRemoverTest : public InProcessBrowserTest,
 };
 
 IN_PROC_BROWSER_TEST_F(PluginDataRemoverTest, RemoveData) {
-  scoped_refptr<PluginDataRemover> plugin_data_remover(new PluginDataRemover());
+  scoped_refptr<PluginDataRemover> plugin_data_remover(
+      new PluginDataRemover(browser()->profile()));
   plugin_data_remover->set_mime_type(kNPAPITestPluginMimeType);
   base::WaitableEventWatcher watcher;
   base::WaitableEvent* event =