VM restart + shutdown fixes

runtime/observatory/lib/src/elements/debugger.html

Index: runtime/observatory/lib/src/elements/debugger.html
diff --git a/runtime/observatory/lib/src/elements/debugger.html b/runtime/observatory/lib/src/elements/debugger.html
index 813adcc20553a81066374f92a8a4c365244f3708..5b74667d78b3a6adb982a9a0496b37b745879ea0 100644
--- a/runtime/observatory/lib/src/elements/debugger.html
+++ b/runtime/observatory/lib/src/elements/debugger.html
@@ -443,14 +443,34 @@
   <template>
     <link rel="stylesheet" href="css/shared.css">
     <style>
+      .container {
+        height: 100%;
+        display: flex;
+        flex-direction: row;
+        justify-content: space-between;
+      }
       .textBox {
+        flex: 1 1 auto;
         margin: 20px;
         padding: 5px;
         font: 400 16px consolas, courier, monospace;
         width: 95%;
       }
+      .modalPrompt {
+        flex: 0 0 auto;
+        margin-top: 20px;
+        margin-left: 20px;
+        padding: 5px;
+        font: 400 16px consolas, courier, monospace;
+        color: red;
+      }
     </style>
-    <input id="textBox" class="textBox" type="text" value="{{ text }}" autofocus>
+    <div class="container">
+      <template if="{{ modalPrompt != null }}">
+        <div class="modalPrompt">{{ modalPrompt }}</div>
+      </template>
+      <input id="textBox" class="textBox" type="text" value="{{ text }}" autofocus>
+    </div>
   </template>
 </polymer-element>