Report approximated duration in milliseconds for profile nodes.

src/profile-generator-inl.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 41 matching lines @@
 bool CodeEntry::is_js_function_tag(Logger::LogEventsAndTags tag) {
   return tag == Logger::FUNCTION_TAG
       || tag == Logger::LAZY_COMPILE_TAG
       || tag == Logger::SCRIPT_TAG
       || tag == Logger::NATIVE_FUNCTION_TAG
       || tag == Logger::NATIVE_LAZY_COMPILE_TAG
       || tag == Logger::NATIVE_SCRIPT_TAG;
 }
 
 
-ProfileNode::ProfileNode(CodeEntry* entry)
-    : entry_(entry),
+ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry)
+    : tree_(tree),
+      entry_(entry),
       total_ticks_(0),
       self_ticks_(0),
       children_(CodeEntriesMatch) {
 }
 
 
 void CodeMap::AddCode(Address addr, CodeEntry* entry, unsigned size) {
   CodeTree::Locator locator;
   tree_.Insert(addr, &locator);
   locator.set_value(CodeEntryInfo(entry, size));
@@ skipping 40 matching lines @@
       return program_entry_;
     default: return NULL;
   }
 }
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 #endif  // V8_PROFILE_GENERATOR_INL_H_