Refactor feedback to use native JS object

components/dom_distiller/content/browser/distiller_javascript_service_impl.h

 // 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/browser/external_feedback_reporter.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(
+      content::RenderFrameHost* render_frame_host,
+      ExternalFeedbackReporter* external_feedback_reporter,
       mojo::InterfaceRequest<DistillerJavaScriptService> request);
   ~DistillerJavaScriptServiceImpl() override;
 
   // Mojo DistillerJavaScriptService implementation.
+
+  // Echo implementation, this call does not actually return as it would be
+  // blocking.
   void HandleDistillerEchoCall(const mojo::String& message) override;
 
+  // Send UMA feedback and start the external feedback reporter if one exists.
+  void HandleDistillerFeedbackCall(bool good) override;
+
  private:
   mojo::StrongBinding<DistillerJavaScriptService> binding_;
+  content::RenderFrameHost* render_frame_host_;
+  ExternalFeedbackReporter* external_feedback_reporter_;
 };
 
 // static
 void CreateDistillerJavaScriptService(
+    content::RenderFrameHost* render_frame_host,
+    ExternalFeedbackReporter* feedback_reporter,
     mojo::InterfaceRequest<DistillerJavaScriptService> request);
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_