Fix presubmit error: remove whitespace

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 3151 matching lines @@
     // code is executed during bootstrapping.
     v8::RegisterExtension(new v8::Extension("simpletest",
                                             kSimpleExtensionSource));
     const char* extension_names[] = { "simpletest" };
     v8::ExtensionConfiguration extensions(1, extension_names);
     v8::Persistent<v8::Context> context = v8::Context::New(&extensions);
     context.Dispose();
   }
   // Check that no DebugBreak events occured during the context creation.
   CHECK_EQ(0, break_point_hit_count);
-  
+
   // Get rid of the debug event listener.
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded();
 }
 
 static v8::Handle<v8::Array> NamedEnum(const v8::AccessorInfo&) {
   v8::Handle<v8::Array> result = v8::Array::New(3);
   result->Set(v8::Integer::New(0), v8::String::New("a"));
   result->Set(v8::Integer::New(1), v8::String::New("b"));
   result->Set(v8::Integer::New(2), v8::String::New("c"));
@@ skipping 2596 matching lines @@
 
   break_point_hit_count = 0;
   foo->Call(env->Global(), 0, NULL);
   CHECK_EQ(1, break_point_hit_count);
 
   v8::Debug::SetDebugEventListener(NULL);
   debugee_context = v8::Handle<v8::Context>();
   debugger_context = v8::Handle<v8::Context>();
   CheckDebuggerUnloaded();
 }