[HBD] Gate the advertising of Flash on Site Engagement.

chrome/browser/plugins/chrome_plugin_service_filter.h

Index: chrome/browser/plugins/chrome_plugin_service_filter.h
diff --git a/chrome/browser/plugins/chrome_plugin_service_filter.h b/chrome/browser/plugins/chrome_plugin_service_filter.h
index 88c9ff47e2c5be8b8b92ceacfaed97afc96e20ec..dbb4844d64cb84a2375d56a5f9c157b6d51eac63 100644
--- a/chrome/browser/plugins/chrome_plugin_service_filter.h
+++ b/chrome/browser/plugins/chrome_plugin_service_filter.h
@@ -11,20 +11,16 @@
 #include <string>
 #include <vector>
 
-#include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
-#include "build/build_config.h"
+#include "chrome/browser/plugins/plugin_prefs.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/plugin_service_filter.h"
 #include "content/public/common/webplugininfo.h"
 #include "url/gurl.h"
 
-class HostContentSettingsMap;
-class PluginPrefs;
 class Profile;
 
 namespace content {
@@ -77,9 +73,16 @@ class ChromePluginServiceFilter : public content::PluginServiceFilter,
   bool CanLoadPlugin(int render_process_id,
                      const base::FilePath& path) override;
 
+ protected:
+  ChromePluginServiceFilter();
+  ~ChromePluginServiceFilter() override;
+
+  // Virtual so this can be overridden in tests.
+  virtual scoped_refptr<PluginPrefs> GetPluginPrefsForProfile(Profile* profile);
+
  private:
-  struct ContextInfo;
   friend struct base::DefaultSingletonTraits<ChromePluginServiceFilter>;
+  struct ContextInfo;
 
   struct OverriddenPlugin {
     OverriddenPlugin();
@@ -99,9 +102,6 @@ class ChromePluginServiceFilter : public content::PluginServiceFilter,
     std::set<base::FilePath> authorized_plugins;
   };
 
-  ChromePluginServiceFilter();
-  ~ChromePluginServiceFilter() override;
-
   // content::NotificationObserver implementation:
   void Observe(int type,
                const content::NotificationSource& source,