Send cookies.

honeybadger.js

@@ -98,6 +98,23 @@
     return data;
   }
 
+  function cookies() {
+    var cookies = {},
+        pairs,
+        pair,
+        i;
+
+    pairs = document.cookie.split(/;\s*/);
+    for (i = 0; i < pairs.length; i++) {
+      pair = pairs[i].split('=', 2);
+      if (pair[0] && pair[1]) {
+        cookies[pair[0]] = pair[1];
+      }
+    }
+
+    return cookies;
+  }
+
   function stackTrace(err) {
     // From TraceKit: Opera 10 *destroys* its stacktrace property if you try to
     // access the stack property first.
@@ -284,7 +301,8 @@
           component: err.component || config('component'),
           action: err.action || config('action'),
           context: merge(self.context, err.context),
-          cgi_data: cgiData()
+          cgi_data: cgiData(),
+          cookies: cookies()
         },
         server: {
           project_root: config('project_root') || (window.location.protocol + '//' + window.location.host),

spec/honeybadger.spec.js

@@ -314,6 +314,26 @@ describe('Honeybadger', function() {
     });
   });
 
+  describe('payload', function() {
+    beforeEach(function() {
+      Honeybadger.configure({
+        api_key: 'asdf'
+      });
+    });
+
+    it('includes cookies', function() {
+      document.cookie = 'foo=bar'
+      document.cookie = 'bar=baz'
+      Honeybadger.notify('testing');
+      afterNotify(function() {
+        expect(requests.length).toEqual(1);
+        expect(requests[0].url).toMatch('notice%5Brequest%5D%5Bcookies%5D%5Bfoo%5D=bar&notice%5Brequest%5D%5Bcookies%5D%5Bbar%5D=baz');
+        document.cookie = 'foo=bar;max-age=0'
+        document.cookie = 'bar=baz;max-age=0'
+      });
+    });
+  });
+
   describe('payload query string', function() {
     beforeEach(function() {
       Honeybadger.configure({
@@ -322,7 +342,7 @@ describe('Honeybadger', function() {
     });
 
     it('serializes an object to a query string', function() {
-      Honeybadger.notify("testing", {
+      Honeybadger.notify('testing', {
         context: {
           foo: 'foo',
           bar: {