Propagate bailout reason to cpu profile node.

src/profile-generator.cc

 // Copyright 2012 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 115 matching lines @@
   size += sizeof(HashMap::Entry) * names_.capacity();
   for (HashMap::Entry* p = names_.Start(); p != NULL; p = names_.Next(p)) {
     size += strlen(reinterpret_cast<const char*>(p->value)) + 1;
   }
   return size;
 }
 
 
 const char* const CodeEntry::kEmptyNamePrefix = "";
 const char* const CodeEntry::kEmptyResourceName = "";
+const char* const CodeEntry::kEmptyBailoutReason = "";
 
 
 CodeEntry::~CodeEntry() {
   delete no_frame_ranges_;
 }
 
 
 void CodeEntry::CopyData(const CodeEntry& source) {
   tag_ = source.tag_;
   name_prefix_ = source.name_prefix_;
@@ skipping 557 matching lines @@
     if (no_symbolized_entries) {
       *entry++ = EntryForVMState(sample.state);
     }
   }
 
   profiles_->AddPathToCurrentProfiles(entries);
 }
 
 
 } }  // namespace v8::internal