arc-bridge: Introduce the ArcService class

chrome/browser/chromeos/arc/arc_intent_helper_bridge.h

+// Copyright 2016 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.
+#ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_INTENT_HELPER_BRIDGE_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_ARC_INTENT_HELPER_BRIDGE_H_
+
+#include "base/macros.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/arc/arc_service.h"
+#include "components/arc/common/intent_helper.mojom.h"
+#include "mojo/public/cpp/bindings/binding.h"
+
+namespace arc {
+
+// Receives intents from ARC.
+class ArcIntentHelperBridge : public ArcService,
+                              public ArcBridgeService::Observer,
+                              public IntentHelperHost {
+ public:
+  explicit ArcIntentHelperBridge(ArcBridgeService* bridge_service);
+  ~ArcIntentHelperBridge() override;
+
+  // ArcBridgeService::Observer
+  void OnIntentHelperInstanceReady() override;
+
+  // arc::IntentHelperHost
+  void OnOpenUrl(const mojo::String& url) override;
+
+ private:
+  mojo::Binding<IntentHelperHost> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ArcIntentHelperBridge);
+};
+
+}  // namespace arc
+
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_INTENT_HELPER_BRIDGE_H_