Change RenderFrame to use InterfaceRegistry et al.

content/renderer/mojo/interface_provider_js_wrapper.cc

Index: content/renderer/mojo/interface_provider_js_wrapper.cc
diff --git a/content/renderer/mojo/interface_provider_js_wrapper.cc b/content/renderer/mojo/interface_provider_js_wrapper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1ced038009d02ec9940abf120630ed88d09b4650
--- /dev/null
+++ b/content/renderer/mojo/interface_provider_js_wrapper.cc
@@ -0,0 +1,113 @@
+// Copyright 2014 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/mojo/interface_provider_js_wrapper.h"
+
+#include <memory>
+#include <utility>
+
+#include "content/common/mojo/service_registry_impl.h"
+#include "mojo/edk/js/handle.h"
+#include "services/shell/public/cpp/interface_provider.h"
+#include "third_party/WebKit/public/web/WebLocalFrame.h"
+
+namespace content {
+
+gin::WrapperInfo InterfaceProviderJsWrapper::kWrapperInfo = {
+    gin::kEmbedderNativeGin};
+const char InterfaceProviderJsWrapper::kPerFrameModuleName[] =
+    "content/public/renderer/frame_service_registry";
+const char InterfaceProviderJsWrapper::kPerProcessModuleName[] =
+    "content/public/renderer/service_registry";
+
+InterfaceProviderJsWrapper::~InterfaceProviderJsWrapper() {
+}
+
+// static
+gin::Handle<InterfaceProviderJsWrapper>
+InterfaceProviderJsWrapper::Create(
+    v8::Isolate* isolate,
+    v8::Handle<v8::Context> context,
+    shell::InterfaceProvider* remote_interfaces) {
+  return gin::CreateHandle(
+      isolate,
+      new InterfaceProviderJsWrapper(
+          isolate, context,
+        remote_interfaces->GetWeakPtr()));
+}
+
+gin::ObjectTemplateBuilder
+InterfaceProviderJsWrapper::GetObjectTemplateBuilder(v8::Isolate* isolate) {
+  return Wrappable<InterfaceProviderJsWrapper>::GetObjectTemplateBuilder(
+      isolate)
+      .SetMethod("connectToService",
+                 &InterfaceProviderJsWrapper::GetInterface)
+      .SetMethod("addServiceOverrideForTesting",
+                 &InterfaceProviderJsWrapper::AddOverrideForTesting)
+      .SetMethod("clearServiceOverridesForTesting",
+                 &InterfaceProviderJsWrapper::ClearOverridesForTesting);
+}
+
+mojo::Handle InterfaceProviderJsWrapper::GetInterface(
+    const std::string& interface_name) {
+  mojo::MessagePipe pipe;
+  if (remote_interfaces_) {
+    remote_interfaces_->GetInterface(
+        interface_name, std::move(pipe.handle0));
+  }
+  return pipe.handle1.release();
+}
+
+void InterfaceProviderJsWrapper::AddOverrideForTesting(
+    const std::string& interface_name,
+    v8::Local<v8::Function> service_factory) {
+  ScopedJsFactory factory(v8::Isolate::GetCurrent(), service_factory);
+  shell::InterfaceProvider::TestApi test_api(remote_interfaces_.get());
+  test_api.SetBinderForName(
+      interface_name,
+      base::Bind(&InterfaceProviderJsWrapper::CallJsFactory,
+                 weak_factory_.GetWeakPtr(), factory));
+}
+
+void InterfaceProviderJsWrapper::ClearOverridesForTesting() {
+  shell::InterfaceProvider::TestApi test_api(remote_interfaces_.get());
+  test_api.ClearBinders();
+}
+
+InterfaceProviderJsWrapper::InterfaceProviderJsWrapper(
+    v8::Isolate* isolate,
+    v8::Handle<v8::Context> context,
+    base::WeakPtr<shell::InterfaceProvider> remote_interfaces)
+    : isolate_(isolate),
+      context_(isolate, context),
+      remote_interfaces_(remote_interfaces),
+      weak_factory_(this) {
+  context_.SetWeak(this, &InterfaceProviderJsWrapper::ClearContext,
+                   v8::WeakCallbackType::kParameter);
+}
+
+void InterfaceProviderJsWrapper::CallJsFactory(
+    const ScopedJsFactory& factory,
+    mojo::ScopedMessagePipeHandle pipe) {
+  if (context_.IsEmpty())
+    return;
+
+  v8::HandleScope handle_scope(isolate_);
+  v8::Handle<v8::Context> context = context_.Get(isolate_);
+  v8::Context::Scope context_scope(context);
+  v8::Local<v8::Value> argv[] = {
+      gin::ConvertToV8(isolate_, mojo::Handle(pipe.release().value()))};
+  blink::WebLocalFrame::frameForContext(context)
+      ->callFunctionEvenIfScriptDisabled(factory.Get(isolate_),
+                                         v8::Undefined(isolate_), 1, argv);
+}
+
+// static
+void InterfaceProviderJsWrapper::ClearContext(
+    const v8::WeakCallbackInfo<InterfaceProviderJsWrapper>& data) {
+  InterfaceProviderJsWrapper* registry = data.GetParameter();
+  registry->context_.Reset();
+}
+
+}  // namespace content