Host-side implementation of ARC Intent handler

chrome/browser/chromeos/arc/arc_intent_helper_bridge_impl.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_IMPL_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_ARC_INTENT_HELPER_BRIDGE_IMPL_H_
+
+#include "base/macros.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/arc/common/intent_helper.mojom.h"
+#include "components/arc/intent_helper/arc_intent_helper_bridge.h"
+#include "mojo/public/cpp/bindings/binding.h"
+
+namespace arc {
+
+// Receives intents from ARC.
+class ArcIntentHelperBridgeImpl : public ArcIntentHelperBridge,
+                                  public ArcBridgeService::Observer,
+                                  public IntentHelperHost {
+ public:
+  ArcIntentHelperBridgeImpl();
+  ~ArcIntentHelperBridgeImpl() override;
+
+  // Starts listening to state changes of the ArcBridgeService.
+  // This must be called before the bridge service starts bootstrapping.
+  void StartObservingBridgeServiceChanges() override;
+
+  // ArcBridgeService::Observer
+  void OnIntentHelperInstanceReady() override;
+
+  // arc::IntentHelperHost
+  void OnOpenUrl(const mojo::String& url) override;
+
+ private:
+  mojo::Binding<IntentHelperHost> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ArcIntentHelperBridgeImpl);
+};
+
+}  // namespace arc
+
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_INTENT_HELPER_BRIDGE_IMPL_H_