Move fetchers into mojo/shell/fetcher

mojo/shell/fetcher/about_fetcher.cc

 // Copyright 2015 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 "mojo/fetcher/about_fetcher.h"
+#include "mojo/shell/fetcher/about_fetcher.h"
 
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 
 namespace mojo {
-namespace fetcher {
+namespace shell {
 namespace {
 
-void RunFetcherCallback(const shell::Fetcher::FetchCallback& callback,
-                        scoped_ptr<shell::Fetcher> fetcher,
+void RunFetcherCallback(const Fetcher::FetchCallback& callback,
+                        scoped_ptr<Fetcher> fetcher,
                         bool success) {
   callback.Run(success ? std::move(fetcher) : nullptr);
 }
 
 }  // namespace
 
 const char AboutFetcher::kAboutScheme[] = "about";
 const char AboutFetcher::kAboutBlankURL[] = "about:blank";
 
 // static
@@ skipping 72 matching lines @@
 
 bool AboutFetcher::HasMojoMagic() {
   return false;
 }
 
 bool AboutFetcher::PeekFirstLine(std::string* line) {
   // The only URL handled currently is "about:blank" which doesn't have a body.
   return false;
 }
 
-}  // namespace fetcher
+}  // namespace shell
 }  // namespace mojo