Chrome-side patch for IsAppInstalled.

content/renderer/installedapp/installed_app_dispatcher.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 CONTENT_RENDERER_INSTALLEDAPP_INSTALLED_APP_DISPATCHER_H
+#define CONTENT_RENDERER_INSTALLEDAPP_INSTALLED_APP_DISPATCHER_H
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "content/common/content_export.h"
+#include "content/common/installedapp/installed_app_provider.mojom.h"
+#include "content/common/installedapp/related_application.mojom.h"
+#include "content/public/renderer/render_frame_observer.h"
+#include "third_party/WebKit/public/platform/modules/installedapp/WebInstalledApp.h"
+
+namespace content {
+
+class ServiceRegistry;
+struct Manifest;
+
+class CONTENT_EXPORT InstalledAppDispatcher
+    : public RenderFrameObserver,
+      public NON_EXPORTED_BASE(blink::WebInstalledApp) {
+ public:
+  explicit InstalledAppDispatcher(RenderFrame* render_frame,
+                                  ServiceRegistry* service_registry);
+  ~InstalledAppDispatcher() override;
+
+  void getInstalledRelatedApps(const blink::WebSecurityOrigin&,
+                               blink::WebPassOwnPtr<blink::AppInstalledCallbacks>) override;
+
+ private:
+  content::InstalledAppProviderPtr& GetProvider();
+
+  void OnGetManifest(scoped_ptr<blink::AppInstalledCallbacks> callbacks,
+                     const blink::WebSecurityOrigin& origin,
+                     const Manifest& manifest);
+
+  void OnFilterInstalledApps(scoped_ptr<blink::AppInstalledCallbacks> callbacks,
+                             mojo::Array<RelatedApplicationPtr> result);
+
+  // Handle to the InstalledApp mojo service.
+  content::InstalledAppProviderPtr provider_;
+
+  ServiceRegistry* service_registry_;
+
+  DISALLOW_COPY_AND_ASSIGN(InstalledAppDispatcher);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_INSTALLEDAPP_INSTALLED_APP_DISPATCHER_H