Audit the last usage of Geolocation and Notification permissions.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 739f4c0ff75af62c174a2946713df93deca519bb..77c77af9cb2a0563c1e26948a36a66ff9811668a 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -473,6 +473,12 @@ class CONTENT_EXPORT ContentBrowserClient {
       base::Callback<void(bool)> result_callback,
       base::Closure* cancel_callback);
 
+  // Informs the content settings host map that a permission has been used.

[Michael van Ouwerkerk, 2014/07/01 11:02:24]

I don't think you can refer to the host map here as it is a chrome layer concept
and this file is in the content layer. It's an implementation detail. Maybe
something like "Informs the embedder that a permission has been used."

[Daniel Nishi, 2014/07/01 18:37:48]

Done.

+  virtual void UseContentSettingPermission(content::WebContents* web_contents,
+                                           const GURL& primary_url,
+                                           const GURL& secondary_url,
+                                           const std::string& setting_type);
+
   // Returns true if the given page is allowed to open a window of the given
   // type. If true is returned, |no_javascript_access| will indicate whether
   // the window that is created should be scriptable/in the same process.