Create a about handler component.

components/about_handler/about_protocol_handler.cc

Index: components/about_handler/about_protocol_handler.cc
diff --git a/chrome/browser/net/about_protocol_handler.cc b/components/about_handler/about_protocol_handler.cc
similarity index 54%
rename from chrome/browser/net/about_protocol_handler.cc
rename to components/about_handler/about_protocol_handler.cc
index 13f0c3b14cd20b2198205d54bd15e9fcbfdffe08..3588efd41cc9aa204a825bd88f82dd3a0b2ca28d 100644
--- a/chrome/browser/net/about_protocol_handler.cc
+++ b/components/about_handler/about_protocol_handler.cc
@@ -2,22 +2,23 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/net/about_protocol_handler.h"
+#include "components/about_handler/about_protocol_handler.h"
 
-#include "net/url_request/url_request_about_job.h"
+#include "components/about_handler/url_request_about_job.h"
 
-namespace chrome_browser_net {
+namespace about_handler {
 
 AboutProtocolHandler::AboutProtocolHandler() {
 }
 
 net::URLRequestJob* AboutProtocolHandler::MaybeCreateJob(
-    net::URLRequest* request, net::NetworkDelegate* network_delegate) const {
-  return new net::URLRequestAboutJob(request, network_delegate);
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate) const {
+  return new URLRequestAboutJob(request, network_delegate);
 }
 
 bool AboutProtocolHandler::IsSafeRedirectTarget(const GURL& location) const {
   return false;
 }
 
-}  // namespace chrome_browser_net
+}  // namespace about_handler