Upstream the iOS web_shell and supporting code

ios/web/shell/shell_network_delegate.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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.
 
-#ifndef CONTENT_SHELL_BROWSER_SHELL_NETWORK_DELEGATE_H_
-#define CONTENT_SHELL_BROWSER_SHELL_NETWORK_DELEGATE_H_
+#ifndef IOS_WEB_SHELL_SHELL_NETWORK_DELEGATE_H_
+#define IOS_WEB_SHELL_SHELL_NETWORK_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "net/base/network_delegate_impl.h"
 
-namespace content {
+namespace web {
 
 class ShellNetworkDelegate : public net::NetworkDelegateImpl {
  public:
   ShellNetworkDelegate();
   ~ShellNetworkDelegate() override;
 
-  static void SetAcceptAllCookies(bool accept);
-
  private:
   // net::NetworkDelegate implementation.
   int OnBeforeURLRequest(net::URLRequest* request,
                          const net::CompletionCallback& callback,
                          GURL* new_url) override;
   int OnBeforeSendHeaders(net::URLRequest* request,
                           const net::CompletionCallback& callback,
                           net::HttpRequestHeaders* headers) override;
   void OnSendHeaders(net::URLRequest* request,
                      const net::HttpRequestHeaders& headers) override;
@@ skipping 16 matching lines @@
       const AuthCallback& callback,
       net::AuthCredentials* credentials) override;
   bool OnCanGetCookies(const net::URLRequest& request,
                        const net::CookieList& cookie_list) override;
   bool OnCanSetCookie(const net::URLRequest& request,
                       const std::string& cookie_line,
                       net::CookieOptions* options) override;
   bool OnCanAccessFile(const net::URLRequest& request,
                        const base::FilePath& path) const override;
   bool OnCanThrottleRequest(const net::URLRequest& request) const override;
-  bool OnFirstPartyOnlyCookieExperimentEnabled() const override;
 
   DISALLOW_COPY_AND_ASSIGN(ShellNetworkDelegate);
 };
 
-}  // namespace content
+}  // namespace web
 
-#endif  // CONTENT_SHELL_BROWSER_SHELL_NETWORK_DELEGATE_H_
+#endif  // IOS_WEB_SHELL_SHELL_NETWORK_DELEGATE_H_