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

content/browser/service_worker/embedded_worker_test_helper.cc

Index: content/browser/service_worker/embedded_worker_test_helper.cc
diff --git a/content/browser/service_worker/embedded_worker_test_helper.cc b/content/browser/service_worker/embedded_worker_test_helper.cc
index 6fa62d051e2a1a5f684bf18eae8b42702a740cd2..0295ee89057ed9c42ff5ac6235e32c6deeb191c1 100644
--- a/content/browser/service_worker/embedded_worker_test_helper.cc
+++ b/content/browser/service_worker/embedded_worker_test_helper.cc
@@ -16,12 +16,19 @@
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
+#include "content/common/service_worker/embedded_worker.mojom.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
 #include "content/common/service_worker/service_worker_messages.h"
+#include "content/public/test/mock_render_process_host.h"
+#include "content/public/test/test_browser_context.h"
+#include "mojo/common/url_type_converters.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 
+namespace {
+
 class MockMessagePortMessageFilter : public MessagePortMessageFilter {
  public:
   MockMessagePortMessageFilter()
@@ -39,6 +46,72 @@ class MockMessagePortMessageFilter : public MessagePortMessageFilter {
   base::AtomicSequenceNumber next_routing_id_;
   ScopedVector<IPC::Message> message_queue_;
 };
+}
+
+class MockEmbeddedWorker : public EmbeddedWorker {
+ public:
+  static void Create(base::WeakPtr<EmbeddedWorkerTestHelper> helper,
+                     mojo::InterfaceRequest<EmbeddedWorker> request) {
+    new MockEmbeddedWorker(helper, request.Pass());
+  }
+  ~MockEmbeddedWorker() override {
+    if (!helper_ || embedded_worker_id_ == -1)
+      return;
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&EmbeddedWorkerTestHelper::OnStopWorker, helper_,
+                              embedded_worker_id_));
+  }
+
+  void Initialize(EmbeddedWorkerStartWorkerParamsPtr params) override {
+    if (!helper_)
+      return;
+    ASSERT_EQ(embedded_worker_id_, -1);
+    embedded_worker_id_ = params->embedded_worker_id;
+    EmbeddedWorkerInstance* worker =
+        helper_->registry()->GetWorker(params->embedded_worker_id);
+    ASSERT_TRUE(worker != NULL);
+    EXPECT_EQ(EmbeddedWorkerInstance::STARTING, worker->status());
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE,
+        base::Bind(&EmbeddedWorkerTestHelper::OnStartWorker, helper_,
+                   params->embedded_worker_id,
+                   params->service_worker_version_id, params->scope.To<GURL>(),
+                   params->script_url.To<GURL>()));
+  }
+
+ private:
+  MockEmbeddedWorker(base::WeakPtr<EmbeddedWorkerTestHelper> helper,
+                     mojo::InterfaceRequest<EmbeddedWorker> request)
+      : binding_(this, request.Pass()), helper_(helper) {}
+
+  mojo::StrongBinding<EmbeddedWorker> binding_;
+  base::WeakPtr<EmbeddedWorkerTestHelper> helper_;
+  int embedded_worker_id_ = -1;
+};
+
+EmbeddedWorkerTestHelper::EmbeddedWorkerTestHelper(
+    const base::FilePath& user_data_directory)
+    : wrapper_(new ServiceWorkerContextWrapper(NULL)),
+      next_thread_id_(0),
+      browser_context_(new TestBrowserContext),
+      render_process_host_(new MockRenderProcessHost(browser_context_.get())),
+      weak_factory_(this) {
+  mock_render_process_id_ = render_process_host_->GetID();
+  service_registry_.ServiceRegistry::AddService(
+      base::Bind(&MockEmbeddedWorker::Create, weak_factory_.GetWeakPtr()));
+  mojo::ServiceProviderPtr services;
+  service_registry_.Bind(mojo::GetProxy(&services));
+  static_cast<ServiceRegistryImpl*>(render_process_host_->GetServiceRegistry())
+      ->BindRemoteServiceProvider(services.Pass());
+  scoped_ptr<MockServiceWorkerDatabaseTaskManager> database_task_manager(
+      new MockServiceWorkerDatabaseTaskManager(
+          base::ThreadTaskRunnerHandle::Get()));
+  wrapper_->InitInternal(user_data_directory, database_task_manager.Pass(),
+                         base::ThreadTaskRunnerHandle::Get(), NULL, NULL);
+  wrapper_->process_manager()->SetProcessIdForTest(mock_render_process_id_);
+  registry()->AddChildProcessSender(mock_render_process_id_, this,
+                                    NewMessagePortMessageFilter());
+}
 
 EmbeddedWorkerTestHelper::EmbeddedWorkerTestHelper(
     const base::FilePath& user_data_directory,
@@ -83,8 +156,8 @@ bool EmbeddedWorkerTestHelper::Send(IPC::Message* message) {
 bool EmbeddedWorkerTestHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(EmbeddedWorkerTestHelper, message)
-    IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StartWorker, OnStartWorkerStub)
-    IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StopWorker, OnStopWorkerStub)
+  // IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StartWorker, OnStartWorkerStub)
+  // IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StopWorker, OnStopWorkerStub)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerContextMsg_MessageToWorker,
                         OnMessageToWorkerStub)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -254,16 +327,16 @@ void EmbeddedWorkerTestHelper::SimulateSend(
 
 void EmbeddedWorkerTestHelper::OnStartWorkerStub(
     const EmbeddedWorkerMsg_StartWorker_Params& params) {
-  EmbeddedWorkerInstance* worker =
-      registry()->GetWorker(params.embedded_worker_id);
-  ASSERT_TRUE(worker != NULL);
-  EXPECT_EQ(EmbeddedWorkerInstance::STARTING, worker->status());
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&EmbeddedWorkerTestHelper::OnStartWorker,
-                 weak_factory_.GetWeakPtr(), params.embedded_worker_id,
-                 params.service_worker_version_id, params.scope,
-                 params.script_url));
+  /*  EmbeddedWorkerInstance* worker =
+        registry()->GetWorker(params.embedded_worker_id);
+    ASSERT_TRUE(worker != NULL);
+    EXPECT_EQ(EmbeddedWorkerInstance::STARTING, worker->status());
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE,
+        base::Bind(&EmbeddedWorkerTestHelper::OnStartWorker,
+                   weak_factory_.GetWeakPtr(), params.embedded_worker_id,
+                   params.service_worker_version_id, params.scope,
+                   params.script_url));*/
 }
 
 void EmbeddedWorkerTestHelper::OnStopWorkerStub(int embedded_worker_id) {