Bindings and client interface for the IsAppInstalled API.

third_party/WebKit/Source/modules/installedapp/InstalledAppController.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 InstalledAppController_h
+#define InstalledAppController_h
+
+#include "core/frame/LocalFrameLifecycleObserver.h"
+#include "modules/ModulesExport.h"
+#include "platform/Supplementable.h"
+#include "public/platform/modules/installedapp/WebInstalledApp.h"
+
+namespace blink {
+
+class WebSecurityOrigin;
+
+class MODULES_EXPORT InstalledAppController final
+    : public NoBaseWillBeGarbageCollectedFinalized<InstalledAppController>, public WillBeHeapSupplement<LocalFrame>, public LocalFrameLifecycleObserver {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InstalledAppController);
+    WTF_MAKE_NONCOPYABLE(InstalledAppController);
+

[dcheng, 2016/03/01 20:03:03]

Nit: no newline before public: (here and elsewhere)

[Daniel Nishi, 2016/03/01 20:46:20]

Done.

+public:
+    virtual ~InstalledAppController();
+
+    void getInstalledApps(const WebSecurityOrigin&, WebPassOwnPtr<AppInstalledCallbacks>);
+
+    static void provideTo(LocalFrame&, WebInstalledApp*);
+    static InstalledAppController* from(LocalFrame&);
+    static const char* supplementName();
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    InstalledAppController(LocalFrame&, WebInstalledApp*);
+
+    // Inherited from LocalFrameLifecycleObserver.
+    void willDetachFrameHost() override;
+
+    WebInstalledApp* m_client;
+};
+
+} // namespace blink
+
+#endif // InstalledAppController_h