[MD Feedback] Add basic chrome://feedback WebUI.

chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc

Index: chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc
diff --git a/chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc b/chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c6ee03764c590458f78f81496486abdde53b0ddf
--- /dev/null
+++ b/chrome/browser/ui/webui/md_feedback/md_feedback_ui.cc
@@ -0,0 +1,21 @@
+// Copyright 2016 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 "chrome/browser/ui/webui/md_feedback/md_feedback_ui.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "grit/browser_resources.h"
+
+MdFeedbackUI::MdFeedbackUI(content::WebUI* web_ui)
+    : content::WebUIController(web_ui) {
+  // Set up the chrome://feedback data html_source.
+  content::WebUIDataSource* html_source =
+      content::WebUIDataSource::Create(chrome::kChromeUIFeedbackHost);
+  html_source->SetDefaultResource(IDR_MD_FEEDBACK_FEEDBACK_HTML);
+  content::WebUIDataSource::Add(Profile::FromWebUI(web_ui), html_source);
+}
+
+MdFeedbackUI::~MdFeedbackUI() {}