Remove the ClearCookies and ClearCache methods from ContentBrowserClient

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 ec24674e6965b27439b3f824f3c2c26f45ca6a6b..2ee58857f0d536fef328db0d3fc458a1f282f66b 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -543,14 +543,6 @@ class CONTENT_EXPORT ContentBrowserClient {
   // optionally add their own handlers.
   virtual void BrowserURLHandlerCreated(BrowserURLHandler* handler) {}
 
-  // Clears browser cache.
-  // TODO(crbug.com/668114): Deprecated. Use BrowsingDataRemover instead.
-  virtual void ClearCache(RenderFrameHost* rfh) {}
-
-  // Clears browser cookies.
-  // TODO(crbug.com/668114): Deprecated. Use BrowsingDataRemover instead.
-  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 should be removed