Refactor feedback to use native JS object

components/dom_distiller/content/browser/distiller_javascript_service_impl.cc

 // 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.
 
 #include "components/dom_distiller/content/browser/distiller_javascript_service_impl.h"
+#include "components/dom_distiller/content/browser/external_feedback_reporter.h"
+#include "components/dom_distiller/core/feedback_reporter.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/string.h"
 
 namespace dom_distiller {
 
 DistillerJavaScriptServiceImpl::DistillerJavaScriptServiceImpl(
-      mojo::InterfaceRequest<DistillerJavaScriptService> request)
-    : binding_(this, request.Pass()) {}
+    content::RenderFrameHost* render_frame_host,
+    ExternalFeedbackReporter* external_feedback_reporter,
+    mojo::InterfaceRequest<DistillerJavaScriptService> request)
+    : binding_(this, request.Pass()),
+      render_frame_host_(render_frame_host),
+      external_feedback_reporter_(external_feedback_reporter) {}
 
 DistillerJavaScriptServiceImpl::~DistillerJavaScriptServiceImpl() {}
 
 void DistillerJavaScriptServiceImpl::HandleDistillerEchoCall(
     const mojo::String& message) {}
 
+void DistillerJavaScriptServiceImpl::HandleDistillerFeedbackCall(
+    bool good) {
+  if (good) {
+    FeedbackReporter::ReportQuality(true);
+    return;
+  }
+
+  // If feedback is bad, report it and try to start up external feedback.
+  FeedbackReporter::ReportQuality(false);

[nyquist, 2015/09/10 19:04:13]

Could we just do:
###
FeedbackReporter::ReportQuality(good);
if (good)
  return;

// If feedback is bad, report it and try to start up external feedback.
if (!external_feedback_reporter_)
  return;
content::....
###

[mdjones, 2015/09/11 16:50:13]

Done.

+  if (!external_feedback_reporter_) {
+    return;
+  }
+  content::WebContents* contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host_);
+  external_feedback_reporter_->ReportExternalFeedback(
+      contents, contents->GetURL(), false);
+  return;
+}
+
 void CreateDistillerJavaScriptService(
+    content::RenderFrameHost* render_frame_host,
+    ExternalFeedbackReporter* feedback_reporter,
     mojo::InterfaceRequest<DistillerJavaScriptService> request) {
   // This is strongly bound and owned by the pipe.
-  new DistillerJavaScriptServiceImpl(request.Pass());
+  new DistillerJavaScriptServiceImpl(render_frame_host, feedback_reporter,
+      request.Pass());
 }
 
 }  // namespace dom_distiller