[Activity log] Expose URL incognito state to private API

chrome/browser/extensions/activity_log/activity_actions.cc

 // Copyright (c) 2013 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.
 
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 150 matching lines @@
       break;
   }
 
   result->extension_id.reset(new std::string(extension_id()));
   result->time.reset(new double(time().ToJsTime()));
   result->api_call.reset(new std::string(api_name()));
   result->args.reset(new std::string(Serialize(args())));
   if (page_url().is_valid()) {
     if (!page_title().empty())
       result->page_title.reset(new std::string(page_title()));
-    result->page_url.reset(new std::string(page_url().spec()));
+    result->page_url.reset(new std::string(SerializePageUrl()));
   }
   if (arg_url().is_valid())
-    result->arg_url.reset(new std::string(arg_url().spec()));
+    result->arg_url.reset(new std::string(SerializeArgUrl()));
   result->extra.reset(new std::string(Serialize(other())));
 
   return result.Pass();
 }
 
 std::string Action::PrintForDebug() const {
   std::string result = "ID=" + extension_id() + " CATEGORY=";
   switch (action_type_) {
     case ACTION_API_CALL:
       result += "api_call";
@@ skipping 104 matching lines @@
     std::string rhs_other = ActivityLogPolicy::Util::Serialize(rhs->other());
     if (lhs_other != rhs_other)
       return lhs_other < rhs_other;
   }
 
   // All fields compare as equal if this point is reached.
   return false;
 }
 
 }  // namespace extensions