Use same base class for popup and plugin blocking UI

chrome/browser/content_settings/tab_specific_content_settings.h

Index: chrome/browser/content_settings/tab_specific_content_settings.h
diff --git a/chrome/browser/content_settings/tab_specific_content_settings.h b/chrome/browser/content_settings/tab_specific_content_settings.h
index 2a6705b1473ab2a96b5aa63e38b6e0c4196d6117..a215bb12fb5c6e463937e26255f4ae84ff6a7367 100644
--- a/chrome/browser/content_settings/tab_specific_content_settings.h
+++ b/chrome/browser/content_settings/tab_specific_content_settings.h
@@ -180,7 +180,9 @@ class TabSpecificContentSettings
   bool IsContentAllowed(ContentSettingsType content_type) const;
 
   // Returns the names of plugins that have been blocked for this tab.
-  const base::string16 GetBlockedPluginNames() const;
+  std::vector<base::string16> GetBlockedPluginNames() const {

[msw, 2015/03/20 22:06:33]

nit: rename this blocked_plugin_names()

[meacer, 2015/03/20 23:39:42]

Done.

+    return blocked_plugin_names_;
+  }
 
   const GURL& media_stream_access_origin() const {
     return media_stream_access_origin_;