Merge r2549 to branches/1.2.

test/cctest/test-debug.cc

 // Copyright 2007-2008 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 5311 matching lines @@
     if (is_debug_break) {
       i::StackGuard::DebugBreak();
     } else {
       i::StackGuard::Continue(i::DEBUGBREAK);
     }
   }
 }
 
 
 // Test that if DebugBreak is forced it is ignored when code from
-// debug-delay.js is executed. 
+// debug-delay.js is executed.
 TEST(NoDebugBreakInAfterCompileMessageHandler) {
   v8::HandleScope scope;
   DebugLocalContext env;
 
   // Register a debug event listener which sets the break flag and counts.
   v8::Debug::SetMessageHandler2(BreakMessageHandler);
 
   // Set the debug break flag.
   v8::Debug::DebugBreak();
 
   // Create a function for testing stepping.
   const char* src = "function f() { eval('var x = 10;'); } ";
   v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
 
   // There should be only one break event.
   CHECK_EQ(1, break_point_hit_count);
 
   // Set the debug break flag again.
   v8::Debug::DebugBreak();
   f->Call(env->Global(), 0, NULL);
   // There should be one more break event when the script is evaluated in 'f'.
   CHECK_EQ(2, break_point_hit_count);
 
   // Get rid of the debug message handler.
   v8::Debug::SetMessageHandler2(NULL);
   CheckDebuggerUnloaded();
 }