Minor cosmetic changes.

test/cctest/test-api.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 8693 matching lines @@
       FunctionTemplate::New(ThrowingCallbackWithTryCatch)->GetFunction();
   context->Global()->Set(v8_str("func"), func);
 
   MessageCallback callbacks[] =
       { NULL, WebKitLike, ThrowViaApi, ThrowFromJS, WithTryCatch };
   for (unsigned i = 0; i < sizeof(callbacks)/sizeof(callbacks[0]); i++) {
     MessageCallback callback = callbacks[i];
     if (callback != NULL) {
       V8::AddMessageListener(callback);
     }
+    // Some small number to control number of times message handler should
+    // throw an exception.
     call_depth = 5;
     ExpectFalse(
         "var thrown = false;\n"
         "try { func(); } catch(e) { thrown = true; }\n"
         "thrown\n");
     if (callback != NULL) {
       V8::RemoveMessageListeners(callback);
     }
   }
 }
@@ skipping 5165 matching lines @@
     CHECK(func2->CreationContext() == context2);
     CheckContextId(func2, 2);
     CHECK(instance2->CreationContext() == context2);
     CheckContextId(instance2, 2);
   }
 
   context1.Dispose();
   context2.Dispose();
   context3.Dispose();
 }