Move fetchers into mojo/shell/fetcher

mojo/shell/fetcher/data_fetcher.h

Index: mojo/shell/fetcher/data_fetcher.h
diff --git a/mojo/fetcher/data_fetcher.h b/mojo/shell/fetcher/data_fetcher.h
similarity index 83%
rename from mojo/fetcher/data_fetcher.h
rename to mojo/shell/fetcher/data_fetcher.h
index bbf1f427b1a5c0558789b80b25b48fb469a9d65a..31737ca1c35aac3c0c651db58aa0a07951f8879a 100644
--- a/mojo/fetcher/data_fetcher.h
+++ b/mojo/shell/fetcher/data_fetcher.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_FETCHER_DATA_FETCHER_H_
-#define MOJO_FETCHER_DATA_FETCHER_H_
+#ifndef MOJO_SHELL_FETCHER_DATA_FETCHER_H_
+#define MOJO_SHELL_FETCHER_DATA_FETCHER_H_
 
 #include "mojo/shell/fetcher.h"
 
@@ -14,10 +14,10 @@
 #include "url/gurl.h"
 
 namespace mojo {
-namespace fetcher {
+namespace shell {
 
 // Implements Fetcher for data: URLs.
-class DataFetcher : public shell::Fetcher {
+class DataFetcher : public Fetcher {
  public:
   static void Start(const GURL& url, const FetchCallback& loader_callback);
 
@@ -27,7 +27,7 @@ class DataFetcher : public shell::Fetcher {
 
   void BuildAndDispatchResponse();
 
-  // shell::Fetcher implementation.
+  // Fetcher implementation.
   const GURL& GetURL() const override;
   GURL GetRedirectURL() const override;
   GURL GetRedirectReferer() const override;
@@ -46,7 +46,7 @@ class DataFetcher : public shell::Fetcher {
   DISALLOW_COPY_AND_ASSIGN(DataFetcher);
 };
 
-}  // namespace fetcher
+}  // namespace shell
 }  // namespace mojo
 
-#endif  // MOJO_FETCHER_DATA_FETCHER_H_
+#endif  // MOJO_SHELL_FETCHER_DATA_FETCHER_H_