Remove dependency on libstdc++ from test framework.

test/cctest/cctest.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
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 #include <v8.h>
-#include <cstdlib>
-#include <cstring>
-#include <cstdio>
 #include "cctest.h"
 #include "debug.h"
 
 
 CcTest* CcTest::last_ = NULL;
 
 
 CcTest::CcTest(TestFunction* callback, const char* file, const char* name,
                const char* dependency, bool enabled)
     : callback_(callback), name_(name), dependency_(dependency), prev_(last_) {
@@ skipping 75 matching lines @@
         }
       }
       v8::internal::DeleteArray<char>(arg_copy);
     }
   }
   if (print_run_count && tests_run != 1)
     printf("Ran %i tests.\n", tests_run);
   v8::V8::Dispose();
   return 0;
 }