PlzNavigate: AppCache support.

content/browser/appcache/appcache_interceptor.cc

Index: content/browser/appcache/appcache_interceptor.cc
diff --git a/content/browser/appcache/appcache_interceptor.cc b/content/browser/appcache/appcache_interceptor.cc
index 85022442562c6f188f524bd50fabdf98e3b33f3b..8d2d93651c99e5e710f0d598cfbe74426a84062f 100644
--- a/content/browser/appcache/appcache_interceptor.cc
+++ b/content/browser/appcache/appcache_interceptor.cc
@@ -31,19 +31,22 @@ AppCacheRequestHandler* AppCacheInterceptor::GetHandler(
       request->GetUserData(&kHandlerKey));
 }
 
-void AppCacheInterceptor::SetExtraRequestInfo(
-    net::URLRequest* request,
-    AppCacheServiceImpl* service,
-    int process_id,
-    int host_id,
-    ResourceType resource_type,
-    bool should_reset_appcache) {
+void AppCacheInterceptor::SetExtraRequestInfo(net::URLRequest* request,
+                                              AppCacheServiceImpl* service,
+                                              int process_id,
+                                              int frame_id,
+                                              int host_id,
+                                              ResourceType resource_type,
+                                              bool should_reset_appcache) {
   if (!service || (host_id == kAppCacheNoHostId))
     return;
 
   AppCacheBackendImpl* backend = service->GetBackend(process_id);
-  if (!backend)
-    return;
+  if (!backend) {
+    backend = service->GetBackendForFrame(frame_id);
+    if (!backend)
+      return;
+  }
 
   // TODO(michaeln): An invalid host id is indicative of bad data
   // from a child process. How should we handle that here?