import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

uriloader/exthandler/android/nsOSHelperAppService.h

@@ -0,0 +1,40 @@
+/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsOSHelperAppService_h
+#define nsOSHelperAppService_h
+
+#include "nsCExternalHandlerService.h"
+#include "nsExternalHelperAppService.h"
+
+class nsOSHelperAppService : public nsExternalHelperAppService
+{
+public:
+    nsOSHelperAppService();
+    virtual ~nsOSHelperAppService();
+
+    virtual already_AddRefed<nsIMIMEInfo>
+    GetMIMEInfoFromOS(const nsACString& aMIMEType,
+                      const nsACString& aFileExt,
+                      bool* aFound);
+
+    virtual MOZ_MUST_USE nsresult
+    OSProtocolHandlerExists(const char* aScheme,
+                            bool* aExists);
+
+    NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
+                                            bool *found,
+                                            nsIHandlerInfo **_retval);
+
+    static nsIHandlerApp*
+    CreateAndroidHandlerApp(const nsAString& aName,
+                            const nsAString& aDescription,
+                            const nsAString& aPackageName,
+                            const nsAString& aClassName, 
+                            const nsACString& aMimeType,
+                            const nsAString& aAction = EmptyString());
+};
+
+#endif /* nsOSHelperAppService_h */