Connect heap map to instance view.

runtime/bin/vmservice/client/lib/src/elements/heap_map.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library heap_map_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:math';
 import 'observatory_element.dart';
@@ skipping 48 matching lines @@
   @observable String status;
   @published ServiceMap fragmentation;
 
   HeapMapElement.created() : super.created() {
   }
 
   void enteredView() {
     super.enteredView();
     _fragmentationCanvas = shadowRoot.querySelector("#fragmentation");
     _fragmentationCanvas.onMouseMove.listen(_handleMouseMove);
+    _fragmentationCanvas.onMouseDown.listen(_handleClick);
   }
 
   // Encode color as single integer, to enable using it as a map key.
   int _packColor(Iterable<int> color) {
     int packed = 0;
     for (var component in color) {
       packed = packed * 256 + component;
     }
     return packed;
   }
@@ skipping 42 matching lines @@
     } else {
       return 0;
     }
   }
 
   void _handleMouseMove(MouseEvent event) {
     var addressString = '@ 0x${_addressAt(event.offset).toRadixString(16)}';
     var className = _classNameAt(event.offset);
     status = (className == '') ? '-' : '$className $addressString';
   }
+  
+  void _handleClick(MouseEvent event) {
+    var address = _addressAt(event.offset).toRadixString(16);
+    window.location.hash = "/${fragmentation.isolate.link}/address/$address";
+  }
 
   void _updateFragmentationData() {
     if (fragmentation == null || _fragmentationCanvas == null) {
       return;
     }
     _updateClassList(
         fragmentation['class_list'], fragmentation['free_class_id']);
     var pages = fragmentation['pages'];
     var width = _fragmentationCanvas.parent.client.width;
     _pageHeight = _PAGE_SEPARATION_HEIGHT +
@@ skipping 52 matching lines @@
     }).whenComplete(done);
   }
 
   void fragmentationChanged(oldValue) {
     // Async, in case enteredView has not yet run (observed in JS version).
     new Future(() {
       _updateFragmentationData();
     });
   }
 }