Improved profiler view and inclusive profile tree

runtime/observatory/lib/src/elements/class_tree.dart

Index: runtime/observatory/lib/src/elements/class_tree.dart
diff --git a/runtime/observatory/lib/src/elements/class_tree.dart b/runtime/observatory/lib/src/elements/class_tree.dart
index c42fb298660ffeefb085b45314023b595e4cacb5..42de21c49dd31583abe795c1e26c7fa6f1d2aec1 100644
--- a/runtime/observatory/lib/src/elements/class_tree.dart
+++ b/runtime/observatory/lib/src/elements/class_tree.dart
@@ -31,12 +31,11 @@ class ClassTreeRow extends TableTreeRow {
         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);
   }