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

test/cctest/test-utils.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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <stdlib.h>
 
 #include <vector>
 
 #include "src/v8.h"
 
 #include "src/base/platform/platform.h"
 #include "src/collector.h"
+#include "src/conversions.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 
 
 TEST(Utils1) {
   CHECK_EQ(-1000000, FastD2I(-1000000.0));
   CHECK_EQ(-1, FastD2I(-1.0));
   CHECK_EQ(0, FastD2I(0.0));
   CHECK_EQ(1, FastD2I(1.0));
@@ skipping 242 matching lines @@
   vec.push_back(66);
   for (auto& i : vec) {
     ++i;
   }
   int j = 12;
   for (auto i : vec) {
     CHECK_EQ(j, i);
     j += 11;
   }
 }