[icu] Support loading data file from default location

tools/parser-shell.cc

 // Copyright 2014 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 124 matching lines @@
       fprintf(stderr, "Parsing failed\n");
       return std::make_pair(v8::base::TimeDelta(), v8::base::TimeDelta());
     }
   }
   return std::make_pair(parse_time1, parse_time2);
 }
 
 
 int main(int argc, char* argv[]) {
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-  v8::V8::InitializeICU();
+  v8::V8::InitializeICUDefaultLocation(argv[0]);
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::Initialize();
   v8::V8::InitializeExternalStartupData(argv[0]);
 
   Encoding encoding = LATIN1;
   std::vector<std::string> fnames;
   std::string benchmark;
   int repeat = 1;
   for (int i = 0; i < argc; ++i) {
@@ skipping 38 matching lines @@
              first_parse_total);
       printf("%s(SecondParseRunTime): %.f ms\n", benchmark.c_str(),
              second_parse_total);
     }
   }
   v8::V8::Dispose();
   v8::V8::ShutdownPlatform();
   delete platform;
   return 0;
 }