Heap::AllocateStringFromOneByte() and major part of its callers handlified.

src/isolate.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 306 matching lines @@
 
 
 Handle<String> Isolate::StackTraceString() {
   if (stack_trace_nesting_level_ == 0) {
     stack_trace_nesting_level_++;
     HeapStringAllocator allocator;
     StringStream::ClearMentionedObjectCache(this);
     StringStream accumulator(&allocator);
     incomplete_message_ = &accumulator;
     PrintStack(&accumulator);
+    // TODO(ishell): Can this fail??
     Handle<String> stack_trace = accumulator.ToString(this);
     incomplete_message_ = NULL;
     stack_trace_nesting_level_ = 0;
     return stack_trace;
   } else if (stack_trace_nesting_level_ == 1) {
     stack_trace_nesting_level_++;
     OS::PrintError(
       "\n\nAttempt to print stack while printing stack (double fault)\n");
     OS::PrintError(
       "If you are lucky you may find a partial stack dump on stdout.\n\n");
@@ skipping 1913 matching lines @@
       Handle<JSObject> obj = factory()->NewJSObjectFromMap(map);
       JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8);
       JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert();
     }
   }
   return Handle<JSObject>::cast(factory()->symbol_registry());
 }
 
 
 } }  // namespace v8::internal