Move about://-related constants from //content to //url

chrome/browser/extensions/activity_log/uma_policy.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 "chrome/browser/extensions/activity_log/uma_policy.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/active_script_controller.h"
@@ skipping 168 matching lines @@
     case Action::NUM_INJECTION_TYPES:
       NOTREACHED();
   }
 
   return ret_bit;
 }
 
 void UmaPolicy::HistogramOnClose(const std::string& cleaned_url,
                                  content::WebContents* web_contents) {
   // Let's try to avoid histogramming useless URLs.
-  if (cleaned_url.empty() || cleaned_url == content::kAboutBlankURL ||
+  if (cleaned_url.empty() || cleaned_url == url::kAboutBlankURL ||
       cleaned_url == chrome::kChromeUINewTabURL)
     return;
 
   int statuses[MAX_STATUS - 1];
   std::memset(statuses, 0, sizeof(statuses));
 
   ActiveScriptController* active_script_controller =
       ActiveScriptController::GetForWebContents(web_contents);
   SiteMap::iterator site_lookup = url_status_.find(cleaned_url);
   const ExtensionMap& exts = site_lookup->second;
@@ skipping 188 matching lines @@
   }
 }
 
 // Helpers. --------------------------------------------------------------------
 
 // We don't want to treat # ref navigations as if they were new pageloads.
 // So we get rid of the ref if it has it.
 // We convert to a string in the hopes that this is faster than Replacements.
 std::string UmaPolicy::CleanURL(const GURL& gurl) {
   if (gurl.spec().empty())
-    return GURL(content::kAboutBlankURL).spec();
+    return GURL(url::kAboutBlankURL).spec();
   if (!gurl.is_valid())
     return gurl.spec();
   if (!gurl.has_ref())
     return gurl.spec();
   std::string port = "";
   if (gurl.has_port())
     port = ":" + gurl.port();
   std::string query = "";
   if (gurl.has_query())
     query = "?" + gurl.query();
@@ skipping 45 matching lines @@
       return "AdLikelyReplaced";
     case NONE:
     case MAX_STATUS:
     default:
       NOTREACHED();
       return "";
   }
 }
 
 }  // namespace extensions