[Extensions] Short-circuit activity logging if not enabled

extensions/browser/api/web_request/web_request_api.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 354 matching lines @@
   // count reaches 0, we stop blocking the request and proceed it using the
   // method requested by the extension with the highest precedence. Precedence
   // is decided by extension install time. If |response| is non-NULL, this
   // method assumes ownership.
   void DecrementBlockCount(void* browser_context,
                            const std::string& extension_id,
                            const std::string& event_name,
                            uint64_t request_id,
                            EventResponse* response);
 
-  // Logs an extension action.
-  void LogExtensionActivity(void* browser_context_id,
-                            bool is_incognito,
-                            const std::string& extension_id,
-                            const GURL& url,
-                            const std::string& api_call,
-                            std::unique_ptr<base::DictionaryValue> details);
-
   // Processes the generated deltas from blocked_requests_ on the specified
   // request. If |call_back| is true, the callback registered in
   // |blocked_requests_| is called.
   // The function returns the error code for the network request. This is
   // mostly relevant in case the caller passes |call_callback| = false
   // and wants to return the correct network error code himself.
   int ExecuteDeltas(void* browser_context,
                     uint64_t request_id,
                     bool call_callback);
 
@@ skipping 150 matching lines @@
       extensions::QuotaLimitHeuristics* heuristics) const override;
   // Handle quota exceeded gracefully: Only warn the user but still execute the
   // function.
   void OnQuotaExceeded(const std::string& error) override;
   bool RunSync() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_