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

content/browser/devtools/devtools_http_handler_impl.cc

 // 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.
 
 #include "content/browser/devtools/devtools_http_handler_impl.h"
 
 #include <algorithm>
 #include <sstream>
 #include <utility>
 
@@ skipping 468 matching lines @@
     delegate_->EnumerateTargets(
         base::Bind(&DevToolsHttpHandlerImpl::OnTargetListReceived,
                    this, connection_id, host));
     return;
   }
 
   if (command == "new") {
     GURL url(net::UnescapeURLComponent(
         query, net::UnescapeRule::URL_SPECIAL_CHARS));
     if (!url.is_valid())
-      url = GURL(kAboutBlankURL);
+      url = GURL(url::kAboutBlankURL);
     scoped_ptr<DevToolsTarget> target(delegate_->CreateNewTarget(url));
     if (!target) {
       SendJson(connection_id,
                net::HTTP_INTERNAL_SERVER_ERROR,
                NULL,
                "Could not create new page");
       return;
     }
     std::string host = info.headers["host"];
     scoped_ptr<base::DictionaryValue> dictionary(
@@ skipping 316 matching lines @@
         id.c_str(),
         host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace content