First experimental implementation of the Clear-Site-Data header

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 644dc79b2ffa87a2a6834e527349150bf0113475..f7da5a0ab0df88af7973ce56e0ec8012e1b289e3 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -558,6 +558,14 @@ class CONTENT_EXPORT ContentBrowserClient {
   // Clears browser cookies.
   virtual void ClearCookies(RenderFrameHost* rfh) {}
 
+  // Clears |browser_context|'s data stored for the given |origin|.
+  // The datatypes to be removed are specified by |remove_cookies|,
+  // |remove_storage|, and |remove_cache|. Note that cookies will be removed
+  // for the entire eTLD+1 of |origin|.
+  virtual void ClearSiteData(
+      content::BrowserContext* browser_context, const url::Origin& origin,
+      bool remove_cookies, bool remove_storage, bool remove_cache) {}
+
   // Returns the default download directory.
   // This can be called on any thread.
   virtual base::FilePath GetDefaultDownloadDirectory();