Avoid to updated selection on links click in cpu-profile-table

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

 // Copyright (c) 2013, 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 cpu_profile_table_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/containers/virtual_collection.dart';
@@ skipping 205 matching lines @@
   Element _createFunction() {
     final element = new DivElement()
       ..classes = const ['function-item']
       ..children = [
         new SpanElement()..classes = const ['exclusive']
           ..text = '0%',
         new SpanElement()..classes = const ['inclusive']
           ..text = '0%',
         new SpanElement()..classes = const ['name']
       ];
-    element.onClick.listen((_) {
+    element.onClick.listen((e) {
+      if (e.target is AnchorElement) {
+        return;
+      }
       _selected = _functions.getItemFromElement(element);
       _r.dirty();
     });
     return element;
   }
 
   void _updateFunction(Element e, M.ProfileFunction item, int index) {
     if (item == _selected) {
       e.classes = const ['function-item', 'selected'];
     } else {
@@ skipping 43 matching lines @@
     }
 
   Element _createCallee() {
     final element = new DivElement()
       ..classes = const ['function-item']
       ..children = [
         new SpanElement()..classes = const ['inclusive']
           ..text = '0%',
         new SpanElement()..classes = const ['name']
       ];
-    element.onClick.listen((_) {
+    element.onClick.listen((e) {
+      if (e.target is AnchorElement) {
+        return;
+      }
       _selected = _callees.getItemFromElement(element);
       _r.dirty();
     });
     return element;
   }
 
   void _updateCallee(Element e, item, int index) {
     e.children[0].text = Utils.formatPercentNormalized(_getCalleeT(item));
     e.children[1] = new FunctionRefElement(_isolate, item.function,
         queue: _r.queue)..classes = const ['name'];
@@ skipping 14 matching lines @@
       ];
 
   Element _createCaller() {
     final element = new DivElement()
       ..classes = const ['function-item']
       ..children = [
         new SpanElement()..classes = const ['inclusive']
           ..text = '0%',
         new SpanElement()..classes = const ['name']
       ];
-    element.onClick.listen((_) {
+    element.onClick.listen((e) {
+      if (e.target is AnchorElement) {
+        return;
+      }
       _selected = _callers.getItemFromElement(element);
       _r.dirty();
     });
     return element;
   }
 
   void _updateCaller(Element e, item, int index) {
     e.children[0].text = Utils.formatPercentNormalized(_getCallerT(item));
     e.children[1] = new FunctionRefElement(_isolate, item.function,
         queue: _r.queue)..classes = const ['name'];
@@ skipping 106 matching lines @@
 
   static double _getExclusiveT(M.ProfileFunction f) =>
       f.normalizedExclusiveTicks;
   static double _getInclusiveT(M.ProfileFunction f) =>
       f.normalizedInclusiveTicks;
   double _getCalleeT(M.ProfileFunction f) =>
       _selected.callees[f] / _selected.callees.values.reduce((a, b) => a + b);
   double _getCallerT(M.ProfileFunction f) =>
       _selected.callers[f] / _selected.callers.values.reduce((a, b) => a + b);
 }