feat: import code from CWS listing

This is an import from the code as uploaded to the Chrome Web Store in
version 0.1.4.

It also adds a .gitreview file to facilitate uploading the code for
review in Gerrit.

Change-Id: Ib15fdf3b9508b2cc9e49ac0414fcaea3e6441bbb
diff --git a/popup.html b/popup.html
new file mode 100644
index 0000000..51b6f97
--- /dev/null
+++ b/popup.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+    <title>Report Webpages</title>
+    <link rel="stylesheet" type="text/css" href="popup.css">
+  </head>
+  <body>
+    <div id="options">
+      <div class="option" id="badware"></div>
+      <div class="option" id="webspam"></div>
+      <div class="option" id="phishing"></div>
+    </div>
+    <script src="popup.js"></script>
+  </body>
+</html>