Merge pull request #52 from LasCC/dev_riadh

fixing compatibility issue devtool panel

Author: rb-x

src/devtools/devtools.js

@@ -1,6 +1,14 @@
-chrome.devtools.panels.create(
-  "HackTools", // title for the panel tab
-  null, // you can specify here path to an icon
-  "index.html", // html page which is gonna be injecting into the tab's content
-  null // you can pass here a callback function
-);
+navigator.userAgent.indexOf("Firefox") != -1 &&
+  browser.devtools.panels.create(
+    "HackTools",
+    "get_started16.png",
+    "index.html"
+  );
+
+navigator.userAgent.indexOf("Chrome") != -1 &&
+  chrome.devtools.panels.create(
+    "HackTools", // title for the panel tab
+    null, //   path to an icon
+    "index.html", // html page which is gonna be injecting into the tab's content
+    null // callback function here
+  );