Initializing an appcache host in a worker process.

chrome/worker/webworkerclient_proxy.cc

 // Copyright (c) 2009 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 "chrome/worker/webworkerclient_proxy.h"
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/webmessageportchannel_impl.h"
 #include "chrome/common/worker_messages.h"
 #include "chrome/renderer/webworker_proxy.h"
 #include "chrome/worker/webworker_stub_base.h"
 #include "chrome/worker/worker_thread.h"
+#include "chrome/worker/worker_webapplicationcachehost_impl.h"
 #include "ipc/ipc_logging.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebWorker.h"
 
+using WebKit::WebApplicationCacheHost;
 using WebKit::WebMessagePortChannel;
 using WebKit::WebMessagePortChannelArray;
 using WebKit::WebString;
 using WebKit::WebWorker;
 using WebKit::WebWorkerClient;
 
 // How long to wait for worker to finish after it's been told to terminate.
 #define kMaxTimeForRunawayWorkerMs 3000
 
 WebWorkerClientProxy::WebWorkerClientProxy(int route_id,
                                            WebWorkerStubBase* stub)
     : route_id_(route_id),
+      appcache_host_id_(0),
       stub_(stub),
       ALLOW_THIS_IN_INITIALIZER_LIST(kill_process_factory_(this)) {
 }
 
 WebWorkerClientProxy::~WebWorkerClientProxy() {
 }
 
 void WebWorkerClientProxy::postMessageToWorkerObject(
     const WebString& message,
     const WebMessagePortChannelArray& channels) {
@@ skipping 54 matching lines @@
 
 void WebWorkerClientProxy::workerContextDestroyed() {
   Send(new WorkerHostMsg_WorkerContextDestroyed(route_id_));
   // Tell the stub that the worker has shutdown - frees this object.
   if (stub_)
     stub_->Shutdown();
 }
 
 WebKit::WebWorker* WebWorkerClientProxy::createWorker(
     WebKit::WebWorkerClient* client) {
-  return new WebWorkerProxy(client, WorkerThread::current(), 0, 0);
-  // TODO(michaeln): Fill in the appcache_host_id parameter value.
+  return new WebWorkerProxy(client, WorkerThread::current(),
+                            0, appcache_host_id_);
+}
+
+WebApplicationCacheHost* WebWorkerClientProxy::createApplicationCacheHost(
+    WebKit::WebApplicationCacheHostClient* client) {
+  WorkerWebApplicationCacheHostImpl* host =
+      new WorkerWebApplicationCacheHostImpl(stub_->appcache_init_info(),
+                                            client);
+  // Remember the id of the instance we create so we have access to that
+  // value when creating nested dedicated workers in createWorker.
+  appcache_host_id_ = host->host_id();
+  return host;
 }
 
 bool WebWorkerClientProxy::Send(IPC::Message* message) {
   return WorkerThread::current()->Send(message);
 }
 
 void WebWorkerClientProxy::EnsureWorkerContextTerminates() {
   // Avoid a worker doing a while(1) from never exiting.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kWebWorkerShareProcesses)) {
     // Can't kill the process since there could be workers from other
     // renderer process.
     NOTIMPLEMENTED();
     return;
   }
 
   // This shuts down the process cleanly from the perspective of the browser
   // process, and avoids the crashed worker infobar from appearing to the new
   // page. It's ok to post several of theese, because the first executed task
   // will exit the message loop and subsequent ones won't be executed.
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
       kill_process_factory_.NewRunnableMethod(
           &WebWorkerClientProxy::workerContextDestroyed),
           kMaxTimeForRunawayWorkerMs);
 }