[profiler] Tracing-based CPU profiler.

src/profiler/profile-generator-inl.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PROFILER_PROFILE_GENERATOR_INL_H_
 #define V8_PROFILER_PROFILE_GENERATOR_INL_H_
 
 #include "src/profiler/profile-generator.h"
 
 namespace v8 {
@@ skipping 12 matching lines @@
       column_number_(column_number),
       script_id_(v8::UnboundScript::kNoScriptId),
       position_(0),
       bailout_reason_(kEmptyBailoutReason),
       deopt_reason_(kNoDeoptReason),
       deopt_position_(SourcePosition::Unknown()),
       deopt_id_(kNoDeoptimizationId),
       line_info_(line_info),
       instruction_start_(instruction_start) {}
 
-ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry)
+ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry,
+                         ProfileNode* parent)
     : tree_(tree),
       entry_(entry),
       self_ticks_(0),
       children_(CodeEntriesMatch),
+      parent_(parent),
       id_(tree->next_node_id()),
-      line_ticks_(LineTickMatch) {}
-
+      line_ticks_(LineTickMatch) {
+  tree_->EnqueueNode(this);
+}
 
 inline unsigned ProfileNode::function_id() const {
   return tree_->GetFunctionId(this);
 }
 
-
 inline Isolate* ProfileNode::isolate() const { return tree_->isolate(); }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROFILER_PROFILE_GENERATOR_INL_H_