[Activity log] Strip incognito URLs entirely from the database

chrome/browser/extensions/activity_log/activity_log_policy_unittest.cc

 // Copyright 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 "base/values.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 #include "chrome/browser/extensions/activity_log/activity_log_policy.h"
 #include "chrome/browser/extensions/activity_log/web_request_constants.h"
 #include "chrome/common/extensions/value_builder.h"
@@ skipping 14 matching lines @@
   action->set_page_url(GURL("http://www.google.com/"));
   action->set_page_incognito(true);
   action->set_page_title("private");
   action->set_arg_url(GURL("http://www.youtube.com/?privatekey"));
 
   ASSERT_EQ("<incognito>http://www.google.com/", action->SerializePageUrl());
 
   ActivityLogPolicy::Util::StripPrivacySensitiveFields(action);
 
   ASSERT_FALSE(action->page_url().is_valid());
-  ASSERT_EQ("<incognito>", action->SerializePageUrl());
+  ASSERT_EQ("", action->SerializePageUrl());
   ASSERT_EQ("", action->page_title());
   ASSERT_EQ("http://www.youtube.com/", action->arg_url().spec());
 }
 
 // Test that WebRequest details are stripped for privacy.
 TEST_F(ActivityLogPolicyUtilTest, StripPrivacySensitiveWebRequest) {
   scoped_refptr<Action> action = new Action(
       "punky", base::Time::Now(), Action::ACTION_WEB_REQUEST, "webRequest");
   action->mutable_other()->Set(
       activity_log_constants::kActionWebRequest,
@@ skipping 47 matching lines @@
       new Action("punky",
                  base::Time::Now(),
                  Action::ACTION_API_CALL,
                  "tabs.executeScript");
   action->ParsePageUrl("<incognito>http://www.google.com/");
   EXPECT_EQ("http://www.google.com/", action->page_url().spec());
   EXPECT_TRUE(action->page_incognito());
 }
 
 }  // namespace extensions