Remove the ENABLE_JAVASCRIPT_I18N_API compile time flag.

Source/bindings/v8/V8DOMWindowShell.cpp

Index: Source/bindings/v8/V8DOMWindowShell.cpp
diff --git a/Source/bindings/v8/V8DOMWindowShell.cpp b/Source/bindings/v8/V8DOMWindowShell.cpp
index 3373e06b3879ca4ce31308c08b4feb53e51f80bd..a8e65306ca13d52044ec201e2c9e7b49b36c0825 100644
--- a/Source/bindings/v8/V8DOMWindowShell.cpp
+++ b/Source/bindings/v8/V8DOMWindowShell.cpp
@@ -59,15 +59,12 @@
 #include <utility>
 #include <v8-debug.h>
 #include <v8.h>
+#include <v8-i18n/include/extension.h>
 #include <wtf/Assertions.h>
 #include <wtf/OwnArrayPtr.h>
 #include <wtf/StringExtras.h>
 #include <wtf/text/CString.h>
 
-#if ENABLE(JAVASCRIPT_I18N_API)
-#include <v8-i18n/include/extension.h>
-#endif
-
 namespace WebCore {
 
 static void checkDocumentWrapper(v8::Handle<v8::Object> wrapper, Document* document)
@@ -270,11 +267,8 @@ void V8DOMWindowShell::createContext()
     // Used to avoid sleep calls in unload handlers.
     ScriptController::registerExtensionIfNeeded(DateExtension::get());
 
-#if ENABLE(JAVASCRIPT_I18N_API)
     // Enables experimental i18n API in V8.
-    if (RuntimeEnabledFeatures::javaScriptI18NAPIEnabled())
-        ScriptController::registerExtensionIfNeeded(v8_i18n::Extension::get());
-#endif
+    ScriptController::registerExtensionIfNeeded(v8_i18n::Extension::get());
 
     // Dynamically tell v8 about our extensions now.
     const V8Extensions& extensions = ScriptController::registeredExtensions();