Refactor post requests, implement bot cancel/terminate

appengine/swarming/elements/res/imp/common/common-behavior.html

Index: appengine/swarming/elements/res/imp/common/common-behavior.html
diff --git a/appengine/swarming/elements/res/imp/common/common-behavior.html b/appengine/swarming/elements/res/imp/common/common-behavior.html
index 76254a1ab1d51fec135169bf19aacd8bab98a269..06b78ba90afff6c7cf4fb34b767050aad16a6a6b 100644
--- a/appengine/swarming/elements/res/imp/common/common-behavior.html
+++ b/appengine/swarming/elements/res/imp/common/common-behavior.html
@@ -68,6 +68,20 @@
         }
         return result;
       },
+
+      // _postWithToast makes a post request and updates the provided paper-toast
+      // element with the response, regardless of failure.
+      _postWithToast: function(url, msg, auth_headers) {

[jcgregorio, 2016/09/06 20:40:56]

Now that you are using errorMessage and the error-toast is a separate element,
this doesn't need to be part of a behavior, it can go into the swarming JS.

[kjlubick, 2016/09/07 12:00:20]

Done.

+        // Keep toast displayed until we hear back from the request.
+        sk.errorMessage(msg, 0);
+
+        sk.request("POST", url, undefined, auth_headers).then(function(response) {
+          sk.errorMessage("Request sent.  Response: "+response, 3000);
+        }.bind(this)).catch(function(reason) {
+          console.log("Request failed", reason);
+          sk.errorMessage("Request failed.  Reason: "+reason, 5000);
+        }.bind(this));
+      }
     };
   })();
 </script>