Include only stuff you need, part 6: Fix cctest.h.

test/cctest/test-flags.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
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 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
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 //       with the distribution.
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 #include <stdlib.h>
 
+#include "src/flags.h"
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 
 // This test must be executed first!
 TEST(Default) {
   CHECK(FLAG_testing_bool_flag);
   CHECK_EQ(13, FLAG_testing_int_flag);
   CHECK_EQ(2.5, FLAG_testing_float_flag);
@@ skipping 211 matching lines @@
   // if the list of arguments ends unexpectedly.
   SetFlagsToDefault();
   int argc = 3;
   const char* argv[] = { "", "--crankshaft", "--expose-debug-as" };
   CHECK_EQ(2, FlagList::SetFlagsFromCommandLine(&argc,
                                                 const_cast<char **>(argv),
                                                 true));
   CHECK(argv[1]);
   CHECK_EQ(argc, 2);
 }