WIP attempt to replace StartWorker/StopWorker IPCs with a new mojo EmbeddedWorker service.

content/renderer/service_worker/embedded_worker_dispatcher.cc

Index: content/renderer/service_worker/embedded_worker_dispatcher.cc
diff --git a/content/renderer/service_worker/embedded_worker_dispatcher.cc b/content/renderer/service_worker/embedded_worker_dispatcher.cc
deleted file mode 100644
index 1bd384a47cf9a5809125c86bbf2e3b392615e74b..0000000000000000000000000000000000000000
--- a/content/renderer/service_worker/embedded_worker_dispatcher.cc
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2013 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 "content/renderer/service_worker/embedded_worker_dispatcher.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "content/child/child_process.h"
-#include "content/child/scoped_child_process_reference.h"
-#include "content/child/thread_safe_sender.h"
-#include "content/child/worker_task_runner.h"
-#include "content/common/devtools_messages.h"
-#include "content/common/service_worker/embedded_worker_messages.h"
-#include "content/public/common/content_client.h"
-#include "content/renderer/render_thread_impl.h"
-#include "content/renderer/service_worker/embedded_worker_devtools_agent.h"
-#include "content/renderer/service_worker/service_worker_context_client.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/web/WebEmbeddedWorker.h"
-#include "third_party/WebKit/public/web/WebEmbeddedWorkerStartData.h"
-
-namespace content {
-
-// A thin wrapper of WebEmbeddedWorker which also adds and releases process
-// references automatically.
-class EmbeddedWorkerDispatcher::WorkerWrapper {
- public:
-  WorkerWrapper(blink::WebEmbeddedWorker* worker, int devtools_agent_route_id)
-      : worker_(worker),
-        dev_tools_agent_(
-            new EmbeddedWorkerDevToolsAgent(worker, devtools_agent_route_id)) {}
-  ~WorkerWrapper() {}
-
-  blink::WebEmbeddedWorker* worker() { return worker_.get(); }
-
- private:
-  ScopedChildProcessReference process_ref_;
-  scoped_ptr<blink::WebEmbeddedWorker> worker_;
-  scoped_ptr<EmbeddedWorkerDevToolsAgent> dev_tools_agent_;
-};
-
-EmbeddedWorkerDispatcher::EmbeddedWorkerDispatcher() : weak_factory_(this) {}
-
-EmbeddedWorkerDispatcher::~EmbeddedWorkerDispatcher() {}
-
-bool EmbeddedWorkerDispatcher::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(EmbeddedWorkerDispatcher, message)
-    IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StartWorker, OnStartWorker)
-    IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StopWorker, OnStopWorker)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void EmbeddedWorkerDispatcher::WorkerContextDestroyed(
-    int embedded_worker_id) {
-  RenderThreadImpl::current()->thread_safe_sender()->Send(
-      new EmbeddedWorkerHostMsg_WorkerStopped(embedded_worker_id));
-  workers_.Remove(embedded_worker_id);
-}
-
-void EmbeddedWorkerDispatcher::OnStartWorker(
-    const EmbeddedWorkerMsg_StartWorker_Params& params) {
-  DCHECK(!workers_.Lookup(params.embedded_worker_id));
-  TRACE_EVENT0("ServiceWorker", "EmbeddedWorkerDispatcher::OnStartWorker");
-  RenderThread::Get()->EnsureWebKitInitialized();
-  scoped_ptr<WorkerWrapper> wrapper(
-      new WorkerWrapper(blink::WebEmbeddedWorker::create(
-                            new ServiceWorkerContextClient(
-                                params.embedded_worker_id,
-                                params.service_worker_version_id,
-                                params.scope,
-                                params.script_url,
-                                params.worker_devtools_agent_route_id),
-                            NULL),
-                        params.worker_devtools_agent_route_id));
-
-  blink::WebEmbeddedWorkerStartData start_data;
-  start_data.scriptURL = params.script_url;
-  start_data.userAgent = base::UTF8ToUTF16(GetContentClient()->GetUserAgent());
-  start_data.waitForDebuggerMode =
-      params.wait_for_debugger ?
-          blink::WebEmbeddedWorkerStartData::WaitForDebugger :
-          blink::WebEmbeddedWorkerStartData::DontWaitForDebugger;
-  start_data.v8CacheOptions =
-      static_cast<blink::WebSettings::V8CacheOptions>(params.v8_cache_options);
-
-  wrapper->worker()->startWorkerContext(start_data);
-  workers_.AddWithID(wrapper.release(), params.embedded_worker_id);
-}
-
-void EmbeddedWorkerDispatcher::OnStopWorker(int embedded_worker_id) {
-  TRACE_EVENT0("ServiceWorker", "EmbeddedWorkerDispatcher::OnStopWorker");
-  WorkerWrapper* wrapper = workers_.Lookup(embedded_worker_id);
-  if (!wrapper) {
-    LOG(WARNING) << "Got OnStopWorker for nonexistent worker";
-    return;
-  }
-
-  // This should eventually call WorkerContextDestroyed. (We may need to post
-  // a delayed task to forcibly abort the worker context if we find it
-  // necessary)
-  wrapper->worker()->terminateWorkerContext();
-}
-
-}  // namespace content