Improve PDF viewer toggle

conf.js

@@ -6,7 +6,7 @@ var unmaps = [ "sb" ,  "sw", "ob"
              , "spi", "sfr", "zQ"
              , "zz" ,  "zR", "ab"
              , "Q"  ,   "q", "ag"
-             , "af"
+             , "af" ,  ";s"
              ];
 
 unmaps.forEach(function(u) {
@@ -60,6 +60,19 @@ mapkey('=D', "Lookup all information for domain", dnsVerbose, {
 
 mapkey(';se', '#11Edit Settings', 'tabOpenLink("/pages/options.html")');
 
+mapkey(';pd', 'Toggle PDF viewer from SurfingKeys', function() {
+    chrome.storage.local.get("noPdfViewer", function(resp) {
+        if(!resp.noPdfViewer) {
+            chrome.storage.local.set({"noPdfViewer": 1}, function() {
+                Front.showBanner("PDF viewer disabled.");
+            });
+        } else {
+            chrome.storage.local.remove("noPdfViewer", function() {
+                Front.showBanner("PDF viewer enabled.");
+            });
+        }
+    })
+});
 mapkey('\\fs', "Run fakespot for the current page (Amazon, Yelp)", fakeSpot, {
     repeatIgnore: true,
     domain: /(amazon\.com|yelp\.com)/i