PlzNavigate: AppCache support.

content/browser/frame_host/navigation_request.cc

 // 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.
 
 #include "content/browser/frame_host/navigation_request.h"
 
 #include <utility>
 
+#include "content/browser/appcache/appcache_navigation_handle.h"
+#include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/browser/frame_host/navigation_request_info.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/navigator_impl.h"
 #include "content/browser/loader/navigation_url_loader.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_navigation_handle.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/resource_request_body_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_data.h"
 #include "content/public/browser/navigation_ui_data.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/stream_handle.h"
+#include "content/public/common/appcache_info.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_response.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/load_flags.h"
 #include "net/base/url_util.h"
 #include "net/http/http_request_headers.h"
 #include "net/url_request/redirect_info.h"
 #include "third_party/WebKit/public/web/WebSandboxFlags.h"
 
@@ skipping 356 matching lines @@
       navigation_handle_->service_worker_handle() &&
       navigation_handle_->service_worker_handle()
               ->service_worker_provider_host_id() !=
           kInvalidServiceWorkerProviderId;
   request_params_.service_worker_provider_id =
       did_create_service_worker_host
           ? navigation_handle_->service_worker_handle()
                 ->service_worker_provider_host_id()
           : kInvalidServiceWorkerProviderId;
 
+  request_params_.appcache_host_id =
+      navigation_handle_->appcache_handle()
+          ? navigation_handle_->appcache_handle()->appcache_host_id()
+          : kAppCacheNoHostId;
+
   // Update the lofi state of the request.
   if (response->head.is_using_lofi)
     common_params_.lofi_state = LOFI_ON;
   else
     common_params_.lofi_state = LOFI_OFF;
 
   // Select an appropriate renderer to commit the navigation.
   RenderFrameHostImpl* render_frame_host =
       frame_tree_node_->render_manager()->GetFrameHostForNavigation(*this);
   NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL(render_frame_host,
@@ skipping 85 matching lines @@
       (frame_tree_node_->pending_sandbox_flags() &
        blink::WebSandboxFlags::Origin) != blink::WebSandboxFlags::Origin;
   request_params_.should_create_service_worker = can_create_service_worker;
   if (can_create_service_worker) {
     ServiceWorkerContextWrapper* service_worker_context =
         static_cast<ServiceWorkerContextWrapper*>(
             partition->GetServiceWorkerContext());
     navigation_handle_->InitServiceWorkerHandle(service_worker_context);
   }
 
+  if (common_params_.url.SchemeIsHTTPOrHTTPS()) {

[michaeln, 2016/12/03 00:58:58]

i think we should use IsSchemeSupportedForAppCache() from
content/public/common/appcache_interface.h

[ananta, 2016/12/03 14:55:04]

Done.

+    navigation_handle_->InitAppCacheHandle(
+        static_cast<ChromeAppCacheService*>(partition->GetAppCacheService()));
+  }
+
   // Mark the fetch_start (Navigation Timing API).
   request_params_.navigation_timing.fetch_start = base::TimeTicks::Now();
 
   // TODO(mkwst): This is incorrect. It ought to use the definition from
   // 'Document::firstPartyForCookies()' in Blink, which walks the ancestor tree
   // and verifies that all origins are PSL-matches (and special-cases extension
   // URLs).
   const GURL& first_party_for_cookies =
       frame_tree_node_->IsMainFrame()
           ? common_params_.url
@@ skipping 15 matching lines @@
 
   loader_ = NavigationURLLoader::Create(
       frame_tree_node_->navigator()->GetController()->GetBrowserContext(),
       base::MakeUnique<NavigationRequestInfo>(
           common_params_, begin_params_, first_party_for_cookies,
           frame_tree_node_->current_origin(), frame_tree_node_->IsMainFrame(),
           parent_is_main_frame, IsSecureFrame(frame_tree_node_->parent()),
           frame_tree_node_->frame_tree_node_id(), is_for_guests_only,
           report_raw_headers),
       std::move(navigation_ui_data),
-      navigation_handle_->service_worker_handle(), this);
+      navigation_handle_->service_worker_handle(),
+      navigation_handle_->appcache_handle(), this);
 }
 
 void NavigationRequest::OnRedirectChecksComplete(
     NavigationThrottle::ThrottleCheckResult result) {
   CHECK(result != NavigationThrottle::DEFER);
 
   // Abort the request if needed. This will destroy the NavigationRequest.
   if (result == NavigationThrottle::CANCEL_AND_IGNORE ||
       result == NavigationThrottle::CANCEL) {
     // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE.
@@ skipping 40 matching lines @@
   TransferNavigationHandleOwnership(render_frame_host);
 
   render_frame_host->CommitNavigation(response_.get(), std::move(body_),
                                       common_params_, request_params_,
                                       is_view_source_);
 
   frame_tree_node_->ResetNavigationRequest(true);
 }
 
 }  // namespace content