PlzNavigate: AppCache support.

content/browser/frame_host/navigation_handle_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
@@ skipping 14 matching lines @@
 #include "content/public/browser/navigation_data.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "content/public/browser/ssl_status.h"
 #include "content/public/common/request_context_type.h"
 #include "url/gurl.h"
 
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace content {
 
+class AppCacheNavigationHandle;
+class ChromeAppCacheService;
 class NavigationUIData;
 class NavigatorDelegate;
 class ResourceRequestBodyImpl;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerNavigationHandle;
 
 // This class keeps track of a single navigation. It is created upon receipt of
 // a DidStartProvisionalLoad IPC in a RenderFrameHost. The RenderFrameHost owns
 // the newly created NavigationHandleImpl as long as the navigation is ongoing.
 // The NavigationHandleImpl in the RenderFrameHost will be reset when the
@@ skipping 146 matching lines @@
     return resource_request_body_;
   }
 
   // PlzNavigate
   void InitServiceWorkerHandle(
       ServiceWorkerContextWrapper* service_worker_context);
   ServiceWorkerNavigationHandle* service_worker_handle() const {
     return service_worker_handle_.get();
   }
 
+  // PlzNavigate
+  void InitAppCacheHandle(ChromeAppCacheService* appcache_service);
+  AppCacheNavigationHandle* appcache_handle() const {
+    return appcache_handle_.get();
+  }
+
   typedef base::Callback<void(NavigationThrottle::ThrottleCheckResult)>
       ThrottleChecksFinishedCallback;
 
   // Called when the URLRequest will start in the network stack.  |callback|
   // will be called when all throttle checks have completed. This will allow
   // the caller to cancel the navigation or let it proceed.
   void WillStartRequest(
       const std::string& method,
       scoped_refptr<content::ResourceRequestBodyImpl> resource_request_body,
       const Referrer& sanitized_referrer,
@@ skipping 212 matching lines @@
   // Whether the navigation ended up being a download or a stream.
   bool is_download_;
   bool is_stream_;
 
   // False by default unless the navigation started within a context menu.
   bool started_from_context_menu_;
 
   GURL searchable_form_url_;
   std::string searchable_form_encoding_;
 
+  // PlzNavigate
+  // Manages the lifetime of a pre-created AppCacheHost until the renderer
+  // registers the host with the AppCache system.

[clamy, 2016/11/25 13:32:24]

Is it until the renderer registers the host or until we have a renderer for the
navigation browser-side and we call CommitNavigation?

[ananta, 2016/11/28 21:36:53]

Rephrased.

+  std::unique_ptr<AppCacheNavigationHandle> appcache_handle_;
+
   base::WeakPtrFactory<NavigationHandleImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_