Move the Kernel canonical name table into the VM's heap

runtime/vm/kernel.cc

 // Copyright (c) 2016, 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.
 
 #include "vm/kernel.h"
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 namespace dart {
 
 namespace kernel {
@@ skipping 12 matching lines @@
   delete[] source_code_;
   delete[] line_starts_;
 }
 
 
 SourceTable::~SourceTable() {
   delete[] sources_;
 }
 
 
-CanonicalName::CanonicalName()
-    : parent_(NULL), name_index_(-1), is_referenced_(false) {}
-
-
-CanonicalName::~CanonicalName() {
-  for (intptr_t i = 0; i < children_.length(); ++i) {
-    delete children_[i];
-  }
-}
-
-
-CanonicalName* CanonicalName::NewRoot() {
-  return new CanonicalName();
-}
-
-
-CanonicalName* CanonicalName::AddChild(intptr_t name_index) {
-  CanonicalName* child = new CanonicalName();
-  child->parent_ = this;
-  child->name_index_ = name_index;
-  children_.Add(child);
-  return child;
-}
-
-
 Node::~Node() {}
 
 
 TreeNode::~TreeNode() {}
 
 
 void TreeNode::AcceptVisitor(Visitor* visitor) {
   AcceptTreeVisitor(visitor);
 }
 
@@ skipping 1221 matching lines @@
 
 void Program::VisitChildren(Visitor* visitor) {
   VisitList(&libraries(), visitor);
 }
 
 
 }  // namespace kernel
 
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)