Improved profiler view and inclusive profile tree

runtime/observatory/lib/src/elements/class_tree.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 class_tree_element;
 
 import 'observatory_element.dart';
 import 'dart:html';
 import 'package:logging/logging.dart';
 import 'package:observatory/app.dart';
@@ skipping 13 matching lines @@
     super.onShow();
     if (children.length == 0) {
       for (var subclass in cls.subclasses) {
         if (subclass.isPatch) {
           continue;
         }
         var row = new ClassTreeRow(isolate, subclass, tree, this);
         children.add(row);
       }
     }
-    var classCell = tableColumns[0];
-    // Enable expansion by clicking anywhere on the class column.
-    classCell.onClick.listen(onClick);
-
+    var classCell = flexColumns[0];
+    classCell.style.justifyContent = 'flex-start';
     var classRef = new Element.tag('class-ref');
     classRef.ref = cls;
+    classRef.style.alignSelf = 'center';
     classCell.children.add(classRef);
   }
 
   bool hasChildren() {
     return cls.subclasses.length > 0;
   }
 }
 
 
 @CustomTag('class-tree')
@@ skipping 29 matching lines @@
     } catch (e, stackTrace) {
       Logger.root.warning('_update', e, stackTrace);
     }
     // Check if we only have one node at the root and expand it.
     if (tree.rows.length == 1) {
       tree.toggle(tree.rows[0]);
     }
     notifyPropertyChange(#tree, null, tree);
   }
 }