Move InitializeICU() to the V8 API and use it.

samples/lineprocessor.cc

Index: samples/lineprocessor.cc
diff --git a/samples/lineprocessor.cc b/samples/lineprocessor.cc
index 0c84419d3a8abe8533fb43ef48d35d752de1b011..42048202fdd6e75a186312df8ac447d25cf29aae 100644
--- a/samples/lineprocessor.cc
+++ b/samples/lineprocessor.cc
@@ -137,8 +137,6 @@ void DispatchDebugMessages() {
 
 int RunMain(int argc, char* argv[]) {
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-  v8::V8::SetFlagsFromString("--noenable_i18n",
-                             static_cast<int>(strlen("--noenable_i18n")));
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::HandleScope handle_scope(isolate);
 
@@ -326,6 +324,7 @@ bool RunCppCycle(v8::Handle<v8::Script> script,
 
 
 int main(int argc, char* argv[]) {
+  v8::V8::InitializeICU();
   int result = RunMain(argc, argv);
   v8::V8::Dispose();
   return result;