bind-gen: Implement V8 context initialization for the new bind gentor

Implements the V8 context initialization with using the new binding
generator of IDL interfaces.

Bug: 839389
Change-Id: Ic8972b7f654ea80a328db3c4be40b2b7780bafc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2282838
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#786189}

third_party/blink/renderer/bindings/core/v8/local_window_proxy.cc

@@ -227,6 +227,7 @@ void LocalWindowProxy::CreateContext() {
     v8::Local<v8::Object> global_proxy = global_proxy_.NewLocal(isolate);
     context = V8ContextSnapshot::CreateContextFromSnapshot(
         isolate, World(), &extension_configuration, global_proxy, document);
+    context_was_created_from_snapshot_ = !context.IsEmpty();
 
     // Even if we enable V8 context snapshot feature, we may hit this branch
     // in some cases, e.g. loading XML files.
@@ -257,6 +258,15 @@ void LocalWindowProxy::InstallConditionalFeatures() {
   TRACE_EVENT1("v8", "InstallConditionalFeatures", "IsMainFrame",
                GetFrame()->IsMainFrame());
 
+#if defined(USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE)
+  if (context_was_created_from_snapshot_) {
+    V8ContextSnapshot::InstallContextIndependentProps(script_state_);
+  }
+
+  V8PerContextData* per_context_data = script_state_->PerContextData();
+  ignore_result(
+      per_context_data->ConstructorForType(V8Window::GetWrapperTypeInfo()));
+#else   // USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE
   v8::Local<v8::Context> context = script_state_->GetContext();
 
   // If the context was created from snapshot, all conditionally
@@ -287,6 +297,7 @@ void LocalWindowProxy::InstallConditionalFeatures() {
                                v8::Local<v8::Object>(),
                                v8::Local<v8::Function>());
   }
+#endif  // USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE
 }
 
 void LocalWindowProxy::SetupWindowPrototypeChain() {
@@ -318,8 +329,10 @@ void LocalWindowProxy::SetupWindowPrototypeChain() {
   v8::Local<v8::Object> window_prototype =
       window_wrapper->GetPrototype().As<v8::Object>();
   CHECK(!window_prototype.IsEmpty());
+#if !defined(USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE)
   V8DOMWrapper::SetNativeInfo(GetIsolate(), window_prototype, wrapper_type_info,
                               window);
+#endif
 
   // The named properties object of Window interface.
   v8::Local<v8::Object> window_properties =
@@ -328,6 +341,13 @@ void LocalWindowProxy::SetupWindowPrototypeChain() {
   V8DOMWrapper::SetNativeInfo(GetIsolate(), window_properties,
                               wrapper_type_info, window);
 
+#if defined(USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE)
+  // [CachedAccessor=kWindowProxy]
+  V8PrivateProperty::GetCachedAccessor(
+      GetIsolate(), V8PrivateProperty::CachedAccessor::kWindowProxy)
+      .Set(window_wrapper, global_proxy);
+#endif
+
   // TODO(keishi): Remove installPagePopupController and implement
   // PagePopupController in another way.
   V8PagePopupControllerBinding::InstallPagePopupController(context,

third_party/blink/renderer/bindings/core/v8/local_window_proxy.h

@@ -106,6 +106,7 @@ class LocalWindowProxy final : public WindowProxy {
   }
 
   Member<ScriptState> script_state_;
+  bool context_was_created_from_snapshot_ = false;
 };
 
 template <>

third_party/blink/renderer/bindings/core/v8/worker_or_worklet_script_controller.cc

@@ -299,6 +299,11 @@ void WorkerOrWorkletScriptController::PrepareForEvaluation() {
 
   v8::HandleScope handle_scope(isolate_);
 
+#if defined(USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE)
+  V8PerContextData* per_context_data = script_state_->PerContextData();
+  ignore_result(per_context_data->ConstructorForType(
+      global_scope_->GetWrapperTypeInfo()));
+#else   // USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE
   ScriptState::Scope scope(script_state_);
   v8::Local<v8::Context> context = script_state_->GetContext();
 
@@ -323,6 +328,7 @@ void WorkerOrWorkletScriptController::PrepareForEvaluation() {
   wrapper_type_info->InstallConditionalFeatures(
       context, *world_, global_object, v8::Local<v8::Object>(),
       v8::Local<v8::Function>(), global_interface_template);
+#endif  // USE_BLINK_V8_BINDING_NEW_IDL_INTERFACE
 }
 
 void WorkerOrWorkletScriptController::DisableEvalInternal(

third_party/blink/renderer/bindings/modules/v8/v8_context_snapshot_impl.cc

@@ -278,6 +278,8 @@ v8::Local<v8::Context> V8ContextSnapshotImpl::CreateContext(
     v8::ExtensionConfiguration* extension_config,
     v8::Local<v8::Object> global_proxy,
     Document* document) {
+  DCHECK(document);
+
   V8PerIsolateData* per_isolate_data = V8PerIsolateData::From(isolate);
   if (per_isolate_data->GetV8ContextSnapshotMode() !=
       V8PerIsolateData::V8ContextSnapshotMode::kUseSnapshot) {
@@ -301,7 +303,7 @@ v8::Local<v8::Context> V8ContextSnapshotImpl::CreateContext(
   return v8::Context::FromSnapshot(
              isolate, WorldToIndex(world), internal_field_desrializer,
              extension_config, global_proxy,
-             html_document->GetExecutionContext()->GetMicrotaskQueue())
+             document->GetExecutionContext()->GetMicrotaskQueue())
       .ToLocalChecked();
 }
 

third_party/blink/renderer/platform/bindings/v8_per_context_data.h

@@ -77,6 +77,8 @@ class PLATFORM_EXPORT V8PerContextData final {
                                   : CreateWrapperFromCacheSlowCase(type);
   }
 
+  // Returns the interface object that is appropriately initialized (e.g.
+  // context-dependent properties are installed).
   v8::Local<v8::Function> ConstructorForType(const WrapperTypeInfo* type) {
     v8::Local<v8::Function> interface_object = constructor_map_.Get(type);
     return (!interface_object.IsEmpty()) ? interface_object