Spellling mistakes.

src/execution.cc

 // Copyright 2011 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 827 matching lines @@
   }
 
   // Collect the break state before clearing the flags.
   bool debug_command_only =
       isolate->stack_guard()->IsDebugCommand() &&
       !isolate->stack_guard()->IsDebugBreak();
 
   // Clear the debug break request flag.
   isolate->stack_guard()->Continue(DEBUGBREAK);
 
-  ProcessDebugMesssages(debug_command_only);
+  ProcessDebugMessages(debug_command_only);
 
   // Return to continue execution.
   return isolate->heap()->undefined_value();
 }
 
-void Execution::ProcessDebugMesssages(bool debug_command_only) {
+void Execution::ProcessDebugMessages(bool debug_command_only) {
   Isolate* isolate = Isolate::Current();
   // Clear the debug command request flag.
   isolate->stack_guard()->Continue(DEBUGCOMMAND);
 
   HandleScope scope(isolate);
   // Enter the debugger. Just continue if we fail to enter the debugger.
   EnterDebugger debugger;
   if (debugger.FailedToEnter()) {
     return;
   }
@@ skipping 33 matching lines @@
     return isolate->TerminateExecution();
   }
   if (stack_guard->IsInterrupted()) {
     stack_guard->Continue(INTERRUPT);
     return isolate->StackOverflow();
   }
   return isolate->heap()->undefined_value();
 }
 
 } }  // namespace v8::internal