[icu] Support loading data file from default location

samples/shell.cc

 // Copyright 2012 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 57 matching lines @@
   virtual void* Allocate(size_t length) {
     void* data = AllocateUninitialized(length);
     return data == NULL ? data : memset(data, 0, length);
   }
   virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
   virtual void Free(void* data, size_t) { free(data); }
 };
 
 
 int main(int argc, char* argv[]) {
-  v8::V8::InitializeICU();
+  v8::V8::InitializeICUDefaultLocation(argv[0]);
   v8::V8::InitializeExternalStartupData(argv[0]);
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::Initialize();
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
   ShellArrayBufferAllocator array_buffer_allocator;
   v8::Isolate::CreateParams create_params;
   create_params.array_buffer_allocator = &array_buffer_allocator;
   v8::Isolate* isolate = v8::Isolate::New(create_params);
   run_shell = (argc == 1);
@@ skipping 326 matching lines @@
     v8::Local<v8::Value> stack_trace_string;
     if (try_catch->StackTrace(context).ToLocal(&stack_trace_string) &&
         stack_trace_string->IsString() &&
         v8::Local<v8::String>::Cast(stack_trace_string)->Length() > 0) {
       v8::String::Utf8Value stack_trace(stack_trace_string);
       const char* stack_trace_string = ToCString(stack_trace);
       fprintf(stderr, "%s\n", stack_trace_string);
     }
   }
 }