PlzNavigate: AppCache support.

content/browser/appcache/appcache_host.cc

Index: content/browser/appcache/appcache_host.cc
diff --git a/content/browser/appcache/appcache_host.cc b/content/browser/appcache/appcache_host.cc
index adcefe08f58db1828a62f8cf782ca04f340a1881..225c5b3caf6deeabb2aff9385e81a1d9272dab92 100644
--- a/content/browser/appcache/appcache_host.cc
+++ b/content/browser/appcache/appcache_host.cc
@@ -527,6 +527,17 @@ void AppCacheHost::NotifyMainResourceBlocked(const GURL& manifest_url) {
   blocked_manifest_url_ = manifest_url;
 }
 
+void AppCacheHost::FrameNavigationCommitted(AppCacheFrontend* frontend,
+                                            AppCacheServiceImpl* service) {
+  DCHECK(frontend);
+  DCHECK(service);
+
+  frontend_ = frontend;
+  service_->RemoveObserver(this);
+  service_ = service;
+  service_->AddObserver(this);
+}
+
 void AppCacheHost::PrepareForTransfer() {
   // This can only happen prior to the document having been loaded.
   DCHECK(!associated_cache());