Improved profiler view and inclusive profile tree

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

 <link rel="import" href="../../../../packages/polymer/polymer.html">
 <link rel="import" href="function_ref.html">
 <link rel="import" href="nav_bar.html">
 <link rel="import" href="observatory_element.html">
 <link rel="import" href="script_inset.html">
 <link rel="import" href="script_ref.html">
 
 <!-- TODO(turnidge): Use core-icon once core_elements work properly in
      devtools -->
 <polymer-element name="icon-expand-less" noscript>
   <template>
     <svg width="24" height="24">
       <polygon points="12,8 6,14 7.4,15.4 12,10.8 16.6,15.4 18,14 "/>
     </svg>
   </template>
 </polymer-element>
 
 <polymer-element name="icon-expand-more" noscript>
   <template>
     <svg width="24" height="24">
       <polygon points="16.6,8.6 12,13.2 7.4,8.6 6,10 12,16 18,10 "/>
     </svg>
   </template>
 </polymer-element>
 
+<polymer-element name="icon-chevron-right" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/>
+    </svg>
+  </template>
+</polymer-element>
+
+<polymer-element name="icon-chevron-left" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z"/>
+    </svg>
+  </template>
+</polymer-element>
+
+<polymer-element name="icon-horizontal-three-dot" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M6 10c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm12 0c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm-6 0c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z"/>
+    </svg>
+  </template>
+</polymer-element>
+
+<polymer-element name="icon-vertical-three-dot" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z"/>
+    </svg>
+  </template>
+</polymer-element>
+
+<polymer-element name="icon-info" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/>
+    </svg>
+  </template>
+</polymer-element>
+
+<polymer-element name="icon-info-outline" noscript>
+  <template>
+    <svg width="24" height="24">
+      <path d="M11 17h2v-6h-2v6zm1-15C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zM11 9h2V7h-2v2z"/>
+    </svg>
+  </template>
+</polymer-element>
+
 <polymer-element name="debugger-page" extends="observatory-element">
   <template>
     <link rel="stylesheet" href="css/shared.css">
     <style>
       .container {
         height: 100%;
         display: flex;
         flex-direction: column;
         justify-content: space-between;
       }
@@ skipping 224 matching lines @@
         margin: 20px;
         font: 400 16px consolas, courier, monospace;
         width: 95%;
       }
     </style>
     <input id="textBox" class="textBox" type="text" value="{{ text }}" autofocus>
   </template>
 </polymer-element>
 
 <script type="application/dart" src="debugger.dart"></script>