Initializing an appcache host in a worker process.

chrome/worker/worker_thread.cc

Index: chrome/worker/worker_thread.cc
===================================================================
--- chrome/worker/worker_thread.cc	(revision 46627)
+++ chrome/worker/worker_thread.cc	(working copy)
@@ -7,6 +7,7 @@
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/thread_local.h"
+#include "chrome/common/appcache/appcache_dispatcher.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/db_message_filter.h"
 #include "chrome/common/web_database_observer_impl.h"
@@ -29,16 +30,22 @@
   webkit_client_.reset(new WorkerWebKitClientImpl);
   WebKit::initialize(webkit_client_.get());
 
+  appcache_dispatcher_.reset(new AppCacheDispatcher(this));
+
   web_database_observer_impl_.reset(new WebDatabaseObserverImpl(this));
   WebKit::WebDatabase::setObserver(web_database_observer_impl_.get());
+  db_message_filter_ = new DBMessageFilter();
+  channel()->AddFilter(db_message_filter_.get());
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   WebKit::WebRuntimeFeatures::enableDatabase(
       !command_line.HasSwitch(switches::kDisableDatabases));
 
-  db_message_filter_ = new DBMessageFilter();
-  channel()->AddFilter(db_message_filter_.get());
+  // TODO(michaeln): Enable once the browser process is ready to receive
+  // the appcache messages.
+  WebKit::WebRuntimeFeatures::enableApplicationCache(false &&
+      !command_line.HasSwitch(switches::kDisableApplicationCache));
 
 #if defined(OS_WIN)
   // We don't yet support notifications on non-Windows, so hide it from pages.
@@ -64,20 +71,27 @@
 }
 
 void WorkerThread::OnControlMessageReceived(const IPC::Message& msg) {
+  // Appcache messages are handled by a delegate.
+  if (appcache_dispatcher_->OnMessageReceived(msg))
+    return;
+
   IPC_BEGIN_MESSAGE_MAP(WorkerThread, msg)
     IPC_MESSAGE_HANDLER(WorkerProcessMsg_CreateWorker, OnCreateWorker)
   IPC_END_MESSAGE_MAP()
 }
 
-void WorkerThread::OnCreateWorker(const GURL& url,
-                                  bool is_shared,
-                                  const string16& name,
-                                  int route_id) {
+void WorkerThread::OnCreateWorker(
+    const WorkerProcessMsg_CreateWorker_Params& params) {
+  WorkerAppCacheInitInfo appcache_init_info(
+      params.is_shared, params.creator_process_id,
+      params.creator_appcache_host_id,
+      params.shared_worker_appcache_id);
+
   // WebWorkerStub and WebSharedWorkerStub own themselves.
-  if (is_shared)
-    new WebSharedWorkerStub(name, route_id);
+  if (params.is_shared)
+    new WebSharedWorkerStub(params.name, params.route_id, appcache_init_info);
   else
-    new WebWorkerStub(url, route_id);
+    new WebWorkerStub(params.url, params.route_id, appcache_init_info);
 }
 
 // The browser process is likely dead. Terminate all workers.