Create ServiceWorkerProviderHost before starting worker

content/browser/service_worker/embedded_worker_instance_unittest.cc

Index: content/browser/service_worker/embedded_worker_instance_unittest.cc
diff --git a/content/browser/service_worker/embedded_worker_instance_unittest.cc b/content/browser/service_worker/embedded_worker_instance_unittest.cc
index 450fbeb3e1ab57d909f78b0c261d75f5f913a7b2..fe88df72e077511d2a395542956cc120844464dd 100644
--- a/content/browser/service_worker/embedded_worker_instance_unittest.cc
+++ b/content/browser/service_worker/embedded_worker_instance_unittest.cc
@@ -44,6 +44,38 @@ void SaveStatusAndCall(ServiceWorkerStatusCode* out,
 
 }  // namespace
 
+class MockServiceWorkerProviderHost : public ServiceWorkerProviderHost {
+ public:
+  MockServiceWorkerProviderHost(base::WeakPtr<ServiceWorkerContextCore> context)
+      : ServiceWorkerProviderHost(ChildProcessHost::kInvalidUniqueID,
+                                  ServiceWorkerProviderHostInfo(
+                                      kInvalidServiceWorkerProviderId,
+                                      MSG_ROUTING_NONE,
+                                      SERVICE_WORKER_PROVIDER_FOR_CONTROLLER,
+                                      false),
+                                  context,
+                                  nullptr),
+        binding_(this) {}
+
+  ~MockServiceWorkerProviderHost() override {}
+
+  void CompleteStartWorkerPreparation(int process_id,
+                                      mojom::ServiceWorkerProviderClientInfoPtr*
+                                          provider_client_info) override {
+    // Nothing to do.
+    DCHECK(!binding_.is_bound());
+    DCHECK(!client_.is_bound());
+    binding_.Bind(mojo::MakeRequest(&(*provider_client_info)->host_ptr_info));
+    (*provider_client_info)->client_request = mojo::MakeRequest(&client_);
+  }
+
+ private:
+  mojom::ServiceWorkerProviderAssociatedPtr client_;
+  mojo::AssociatedBinding<mojom::ServiceWorkerProviderHost> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockServiceWorkerProviderHost);
+};
+
 class EmbeddedWorkerInstanceTest : public testing::Test,
                                    public EmbeddedWorkerInstance::Listener {
  protected:
@@ -82,7 +114,7 @@ class EmbeddedWorkerInstanceTest : public testing::Test,
     RecordEvent(DETACHED, old_status);
   }
 
-  bool OnMessageReceived(const IPC::Message& message) override { return false; }
+  bool OnMessageReceived(const IPC::Message&) override { return false; }
 
   void SetUp() override {
     helper_.reset(new EmbeddedWorkerTestHelper(base::FilePath()));
@@ -113,6 +145,10 @@ class EmbeddedWorkerInstanceTest : public testing::Test,
     params->script_url = script_url;
     params->pause_after_download = false;
     params->is_installed = false;
+    mock_providers_.emplace_back(
+        base::MakeUnique<MockServiceWorkerProviderHost>(
+            helper_->context()->AsWeakPtr()));
+    params->controller_provider = mock_providers_.back().get();
     return params;
   }
 
@@ -137,6 +173,7 @@ class EmbeddedWorkerInstanceTest : public testing::Test,
   }
 
   std::vector<mojom::ServiceWorkerEventDispatcherPtr> dispatchers_;
+  std::vector<std::unique_ptr<MockServiceWorkerProviderHost>> mock_providers_;
 
   TestBrowserThreadBundle thread_bundle_;
   std::unique_ptr<EmbeddedWorkerTestHelper> helper_;
@@ -153,14 +190,15 @@ class StalledInStartWorkerHelper : public EmbeddedWorkerTestHelper {
   StalledInStartWorkerHelper() : EmbeddedWorkerTestHelper(base::FilePath()) {}
   ~StalledInStartWorkerHelper() override {}
 
-  void OnStartWorker(int embedded_worker_id,
-                     int64_t service_worker_version_id,
-                     const GURL& scope,
-                     const GURL& script_url,
-                     bool pause_after_download,
-                     mojom::ServiceWorkerEventDispatcherRequest request,
-                     mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo
-                         instance_host) override {
+  void OnStartWorker(
+      int embedded_worker_id,
+      int64_t service_worker_version_id,
+      const GURL& scope,
+      const GURL& script_url,
+      bool pause_after_download,
+      mojom::ServiceWorkerEventDispatcherRequest request,
+      mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo instance_host,
+      mojom::ServiceWorkerProviderClientInfoPtr provider_client_info) override {
     if (force_stall_in_start_) {
       // Prepare for OnStopWorker().
       instance_host_ptr_map_[embedded_worker_id].Bind(std::move(instance_host));
@@ -169,7 +207,8 @@ class StalledInStartWorkerHelper : public EmbeddedWorkerTestHelper {
     }
     EmbeddedWorkerTestHelper::OnStartWorker(
         embedded_worker_id, service_worker_version_id, scope, script_url,
-        pause_after_download, std::move(request), std::move(instance_host));
+        pause_after_download, std::move(request), std::move(instance_host),
+        std::move(provider_client_info));
   }
 
   void OnStopWorker(int embedded_worker_id) override {
@@ -723,11 +762,10 @@ class FailEmbeddedWorkerInstanceClientImpl
       : EmbeddedWorkerTestHelper::MockEmbeddedWorkerInstanceClient(helper) {}
 
  private:
-  void StartWorker(
-      const EmbeddedWorkerStartParams& /* unused */,
-      mojom::ServiceWorkerEventDispatcherRequest /* unused */,
-      mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo /* unused */)
-      override {
+  void StartWorker(const EmbeddedWorkerStartParams&,
+                   mojom::ServiceWorkerEventDispatcherRequest,
+                   mojom::EmbeddedWorkerInstanceHostAssociatedPtrInfo,
+                   mojom::ServiceWorkerProviderClientInfoPtr) override {
     helper_->mock_instance_clients()->clear();
   }
 };