Expose distiller functions to JavaScript

components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h

Index: components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
diff --git a/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h b/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..c75a731c48966c86b44a30574d76bdf26ff09523
--- /dev/null
+++ b/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
@@ -0,0 +1,36 @@
+// Copyright 2015 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 COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_
+#define COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_
+
+#include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
+#include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
+#include "components/dom_distiller/content/renderer/distiller_native_javascript.h"
+
+namespace dom_distiller {
+
+class DistillerJsRenderFrameObserver;
+
+// DistillerPageNotifierService is responsible for listening to the browser for
+// messages about if a page is a distiller page. No message is received if the
+// page is not a distiller page. This service should be removed from the
+// registry once the page is done loading.
+class DistillerPageNotifierServiceImpl
+    : public mojo::InterfaceImpl<DistillerPageNotifierService> {
+ public:
+  explicit DistillerPageNotifierServiceImpl(
+      DistillerJsRenderFrameObserver* observer);
+  ~DistillerPageNotifierServiceImpl() override;
+
+  // Implementation of mojo interface DistillerPageNotifierService.
+  void NotifyIsDistillerPage() override;
+
+ private:
+  DistillerJsRenderFrameObserver* distiller_js_observer_;
+};
+
+}  // namespace dom_distiller
+
+#endif  // COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_