MD Settings: Bluetooth: Add error dialog and messages

chrome/browser/resources/settings/bluetooth_page/bluetooth_device_dialog.html

 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-selector/iron-selector.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-spinner/paper-spinner.html">
 <link rel="import" href="/bluetooth_page/bluetooth_device_list_item.html">
 <link rel="import" href="/icons.html">
 <link rel="import" href="/settings_shared_css.html">
 
 <dom-module id="bluetooth-device-dialog">
   <template>
     <style include="settings-shared">
-      #dialogMessage {
-        margin-bottom: 10px;
-      }
-
       #pairing {
         margin-bottom: 10px;
       }
 
       #pairing paper-input {
         text-align: center;
       }
 
       #pinDiv {
         margin-top: 10px;
       }
 
       iron-selector {
         width: 100%;
       }
 
       paper-spinner {
         height: 20px;
         margin: 0 10px;
         width: 20px;
       }
 
+      .dialog-message {
+        margin-bottom: 10px;
+      }
+
       /* .display indicates a displayed pin code or passkey. */
       span.display {
         border: 1px solid #ccc;
         border-radius: 4px;
         box-shadow: 0 0 0 1px #222;
         color: #222;
         font-size: 16px;
         height: 38px;
         line-height: 38px;
         margin: 0 5px;
@@ skipping 39 matching lines @@
                   filter="deviceNotPaired_" observe="paired">
                 <bluetooth-device-list-item device="[[item]]">
                 </bluetooth-device-list-item>
               </template>
             </iron-selector>
           </div>
         </template>
         <template is="dom-if" if="[[isDialogType_(dialogId, 'pairDevice')]]">
           <div id="pairing" class="settings-box first layout vertical center
               center-justified">
-            <div id="dialogMessage">
+            <div class="dialog-message">
               [[getMessage_(pairingDevice, pairingEvent)]]
             </div>
             <div hidden$="[[!showEnterPincode_(pairingEvent)]]">
               <paper-input id="pincode" minlength="1" maxlength="16"
                   type="text" auto-validate value="{{pinOrPass}}">
               </paper-input>
             </div>
             <div hidden$="[[!showEnterPasskey_(pairingEvent)]]">
               <paper-input id="passkey" minlength="6" maxlength="6" type="text"
                   auto-validate value="{{pinOrPass}}"></paper-input>
             </div>
             <div id="pinDiv" class="layout horizontal center center-justified"
                 hidden="[[!showDisplayPassOrPin_(pairingEvent)]]">
               <template is="dom-repeat" items="[[digits]]">
                 <span class$="[[getPinClass_(pairingEvent, index)]]">
                   [[getPinDigit_(pairingEvent, index)]]
                 </span>
               </template>
               <span class$="[[getPinClass_(pairingEvent, -1)]]"
                   hidden="[[showAcceptReject_(pairingEvent)]]">
                 $i18n{bluetoothEnterKey}
               </span>
             </div>
           </div>
         </template>
+        <template is="dom-if" if="[[isDialogType_(dialogId, 'connectError')]]">
+          <div class="settings-box first layout vertical center
+              center-justified">
+            <div class="dialog-message">[[errorMessage]]</div>
+          </div>
+        </template>
       </div>
       <div class="button-container">
         <template is="dom-if" if="[[isDialogType_(dialogId, 'addDevice')]]">
           <div id="scanning" class="layout horizontal center flex"
               hidden$="[[!adapterState.discovering]]">
             <paper-spinner active="[[adapterState.discovering]]">
             </paper-spinner>
             <span>$i18n{bluetoothScanning}</span>
           </div>
           <paper-button class="end-justified" on-tap="onCancelTap_">
             $i18n{cancel}
           </paper-button>
         </template>
         <template is="dom-if" if="[[isDialogType_(dialogId, 'pairDevice')]]">
           <paper-button hidden$="[[!showAcceptReject_(pairingEvent)]]"
               on-tap="onAcceptTap_">$i18n{bluetoothAccept}</paper-button>
           <paper-button hidden$="[[!showAcceptReject_(pairingEvent)]]"
               on-tap="onRejectTap_">$i18n{bluetoothReject}</paper-button>
           <paper-button hidden$="[[!showConnect_(pairingEvent)]]"
               disabled="[[!enableConnect_(pairingEvent, pinOrPass)]]"
               on-tap="onConnectTap_">$i18n{bluetoothConnect}</paper-button>
           <paper-button hidden$="[[!showDismiss_(pairingDevice, pairingEvent)]]"
               on-tap="onDismissTap_">$i18n{bluetoothDismiss}</paper-button>
           <paper-button hidden$="[[showDismiss_(pairingDevice, pairingEvent)]]"
               on-tap="onCancelTap_">
             $i18n{cancel}
           </paper-button>
         </template>
+        <template is="dom-if" if="[[isDialogType_(dialogId, 'connectError')]]">
+          <paper-button  on-tap="onDismissTap_">$i18n{bluetoothDismiss}
+          </paper-button>
+        </template>
       </div>
     </cr-dialog>
   </template>
   <script src="/bluetooth_page/bluetooth_device_dialog.js"></script>
 </dom-module>