Fix a bunch of spelling mistakes :\

src/top.cc

 // Copyright 2006-2008 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 626 matching lines @@
 }
 
 
 Failure* Top::Throw(Object* exception, MessageLocation* location) {
   DoThrow(exception, location, NULL);
   return Failure::Exception();
 }
 
 
 Failure* Top::ReThrow(Object* exception, MessageLocation* location) {
-  // Set the exception beeing re-thrown.
+  // Set the exception being re-thrown.
   set_pending_exception(exception);
   return Failure::Exception();
 }
 
 
 void Top::ScheduleThrow(Object* exception) {
   // When scheduling a throw we first throw the exception to get the
   // error reporting if it is uncaught before rescheduling it.
   Throw(exception);
   thread_local_.scheduled_exception_ = pending_exception();
@@ skipping 40 matching lines @@
     Handle<Object> pos_obj(Smi::FromInt(pos));
     // Fetch function and receiver.
     Handle<JSFunction> fun(JSFunction::cast(frame->function()));
     Handle<Object> recv(frame->receiver());
     // Advance to the next JavaScript frame and determine if the
     // current frame is the top-level frame.
     it.Advance();
     Handle<Object> is_top_level = it.done()
         ? Factory::true_value()
         : Factory::false_value();
-    // Generate and print strack trace line.
+    // Generate and print stack trace line.
     Handle<String> line =
         Execution::GetStackTraceLine(recv, fun, pos_obj, is_top_level);
     if (line->length() > 0) {
       line->PrintOn(out);
       fprintf(out, "\n");
     }
   }
 }
 
 
@@ skipping 238 matching lines @@
   Top::break_access_->Lock();
 }
 
 
 ExecutionAccess::~ExecutionAccess() {
   Top::break_access_->Unlock();
 }
 
 
 } }  // namespace v8::internal