Fully connect the dots between workers and appcache resource loading.

* Split WorkerService CreateWorker into distinct methods for 'shared' vs 'dedicated' workers.

* Include additional appcache params in WorkerService CreateSharedWorker and CreateDedicatedWorker methods.

* Store those additional params in WorkerInstance object.

* Pass those additional params to the worker process.

* Use those additional params when initiating the appcache host for the worker when calling SelectCacheForWorker and SelectCacheForSharedWorker.

* Add browser process message handlers and dispatching for the SelectCacheForWorker and SelectCacheForSharedWorker IPC messages.

* Runtime enable the appcache feature in the worker processes.

BUG=39368
TEST=manual for now, but i need to create layout tests for this

Review URL: http://codereview.chromium.org/2238001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@48441 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 31 insertions, 0 deletions

diff --git a/chrome/browser/appcache/appcache_dispatcher_host.cc b/chrome/browser/appcache/appcache_dispatcher_host.cc
index 2ef6fca..2edb22f 100644
--- a/chrome/browser/appcache/appcache_dispatcher_host.cc
+++ b/chrome/browser/appcache/appcache_dispatcher_host.cc
@@ -63,6 +63,10 @@ bool AppCacheDispatcherHost::OnMessageReceived(const IPC::Message& msg,
     IPC_MESSAGE_HANDLER(AppCacheMsg_RegisterHost, OnRegisterHost);
     IPC_MESSAGE_HANDLER(AppCacheMsg_UnregisterHost, OnUnregisterHost);
     IPC_MESSAGE_HANDLER(AppCacheMsg_SelectCache, OnSelectCache);
+    IPC_MESSAGE_HANDLER(AppCacheMsg_SelectCacheForWorker,
+                        OnSelectCacheForWorker);
+    IPC_MESSAGE_HANDLER(AppCacheMsg_SelectCacheForSharedWorker,
+                        OnSelectCacheForSharedWorker);
     IPC_MESSAGE_HANDLER(AppCacheMsg_MarkAsForeignEntry, OnMarkAsForeignEntry);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheMsg_GetStatus, OnGetStatus);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheMsg_StartUpdate, OnStartUpdate);
@@ -104,6 +108,30 @@ void AppCacheDispatcherHost::OnSelectCache(
   }
 }
 
+void AppCacheDispatcherHost::OnSelectCacheForWorker(
+    int host_id, int parent_process_id, int parent_host_id) {
+  if (appcache_service_.get()) {
+    if (!backend_impl_.SelectCacheForWorker(
+            host_id, parent_process_id, parent_host_id)) {
+      ReceivedBadMessage(AppCacheMsg_SelectCacheForWorker::ID);
+    }
+  } else {
+    frontend_proxy_.OnCacheSelected(
+        host_id, appcache::kNoCacheId, appcache::UNCACHED);
+  }
+}
+
+void AppCacheDispatcherHost::OnSelectCacheForSharedWorker(
+    int host_id, int64 appcache_id) {
+  if (appcache_service_.get()) {
+    if (!backend_impl_.SelectCacheForSharedWorker(host_id, appcache_id))
+      ReceivedBadMessage(AppCacheMsg_SelectCacheForSharedWorker::ID);
+  } else {
+    frontend_proxy_.OnCacheSelected(
+        host_id, appcache::kNoCacheId, appcache::UNCACHED);
+  }
+}
+
 void AppCacheDispatcherHost::OnMarkAsForeignEntry(
     int host_id, const GURL& document_url,
     int64 cache_document_was_loaded_from) {
diff --git a/chrome/browser/appcache/appcache_dispatcher_host.h b/chrome/browser/appcache/appcache_dispatcher_host.h
index c4831a4..887a9af 100644
--- a/chrome/browser/appcache/appcache_dispatcher_host.h
+++ b/chrome/browser/appcache/appcache_dispatcher_host.h
@@ -50,6 +50,9 @@ class AppCacheDispatcherHost {
   void OnSelectCache(int host_id, const GURL& document_url,
                      int64 cache_document_was_loaded_from,
                      const GURL& opt_manifest_url);
+  void OnSelectCacheForWorker(int host_id, int parent_process_id,
+                              int parent_host_id);
+  void OnSelectCacheForSharedWorker(int host_id, int64 appcache_id);
   void OnMarkAsForeignEntry(int host_id, const GURL& document_url,
                             int64 cache_document_was_loaded_from);
   void OnGetStatus(int host_id, IPC::Message* reply_msg);