Android: lazy initialization for method id.

base/android/locale_utils.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/android/locale_utils.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/logging.h"
@@ skipping 51 matching lines @@
           ConvertUTF8ToJavaString(env, variant).obj()));
 }
 
 }  // namespace
 
 string16 GetDisplayNameForLocale(const std::string& locale,
                                  const std::string& display_locale) {
   JNIEnv* env = AttachCurrentThread();
 
   ScopedJavaLocalRef<jclass> locale_class = GetClass(env, "java/util/Locale");
-  jmethodID constructor_id = GetMethodID(
-      env, locale_class, "<init>",
+  jmethodID constructor_id = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, locale_class.obj(), "<init>",
       "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
   ScopedJavaLocalRef<jobject> java_locale = NewJavaLocale(
       env, locale_class, constructor_id, locale);
   ScopedJavaLocalRef<jobject> java_display_locale = NewJavaLocale(
       env, locale_class, constructor_id, display_locale);
 
-  jmethodID method_id = GetMethodID(env, locale_class, "getDisplayName",
-                                    "(Ljava/util/Locale;)Ljava/lang/String;");
+  jmethodID method_id = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, locale_class.obj(), "getDisplayName",
+      "(Ljava/util/Locale;)Ljava/lang/String;");
   ScopedJavaLocalRef<jstring> java_result(
       env,
       static_cast<jstring>(env->CallObjectMethod(java_locale.obj(), method_id,
                                                  java_display_locale.obj())));
   return ConvertJavaStringToUTF16(java_result);
 }
 
 bool RegisterLocaleUtils(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace base