Expose distiller functions to JavaScript

components/dom_distiller/content/browser/distiller_javascript_service_impl.h

Index: components/dom_distiller/content/browser/distiller_javascript_service_impl.h
diff --git a/components/dom_distiller/content/browser/distiller_javascript_service_impl.h b/components/dom_distiller/content/browser/distiller_javascript_service_impl.h
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+// 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_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_
+#define COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_
+
+#include "components/dom_distiller/content/common/distiller_javascript_service.mojom.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/string.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
+
+namespace dom_distiller {
+
+// This is the receiving end of "distiller" JavaScript object calls.
+class DistillerJavaScriptServiceImpl : public DistillerJavaScriptService {
+ public:
+  DistillerJavaScriptServiceImpl(
+      mojo::InterfaceRequest<DistillerJavaScriptService> request);
+  ~DistillerJavaScriptServiceImpl() override;
+
+  // Mojo DistillerJavaScriptService implementation.
+  void HandleDistillerEchoCall(const mojo::String& message) override;
+
+ private:
+  mojo::StrongBinding<DistillerJavaScriptService> binding_;
+};
+
+// static
+void CreateDistillerJavaScriptService(
+    mojo::InterfaceRequest<DistillerJavaScriptService> request);
+
+}  // namespace dom_distiller
+
+#endif  // COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_