Add isolate tag-profile and better handling of errors

runtime/bin/vmservice/client/lib/src/elements/service_exception_view.html

Index: runtime/bin/vmservice/client/lib/src/elements/service_exception_view.html
diff --git a/runtime/bin/vmservice/client/deployed/web/packages/observatory/src/elements/error_view.html b/runtime/bin/vmservice/client/lib/src/elements/service_exception_view.html
similarity index 55%
copy from runtime/bin/vmservice/client/deployed/web/packages/observatory/src/elements/error_view.html
copy to runtime/bin/vmservice/client/lib/src/elements/service_exception_view.html
index ed1c7fb3ff75d564283274ddddd16b3244884b3d..200dc426bedb4cc3663080dbb56de542c4802b68 100644
--- a/runtime/bin/vmservice/client/deployed/web/packages/observatory/src/elements/error_view.html
+++ b/runtime/bin/vmservice/client/lib/src/elements/service_exception_view.html
@@ -2,7 +2,7 @@
   <link rel="import" href="nav_bar.html">
   <link rel="import" href="observatory_element.html">
 </head>
-<polymer-element name="error-view" extends="observatory-element">
+<polymer-element name="service-exception-view" extends="observatory-element">
   <template>
     <nav-bar>
       <top-nav-menu last="{{ true }}"></top-nav-menu>
@@ -11,13 +11,16 @@
     <div class="row">
     <div class="col-md-8 col-md-offset-2">
       <div class="panel panel-danger">
-        <div class="panel-heading">{{ error.kind }}</div>
+        <div class="panel-heading">{{ exception.kind }}</div>
         <div class="panel-body">
-          <p>{{ error.message }}</p>
+          <p>{{ exception.message }}</p>
+        </div>
+        <div class="well">
+          <p>{{ exception.response }}</p>
         </div>
       </div>
     </div>
     </div>
   </template>
-  <script type="application/dart" src="error_view.dart"></script>
+  <script type="application/dart" src="service_exception_view.dart"></script>
 </polymer-element>