[Android] Introduce a Java wrapper for TemplateUrlService.

base/android/jni_map_unittest.cc

+// Copyright (c) 2013 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/jni_map.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace android {
+
+TEST(JniMap, BasicConversions) {
+  std::map<std::string, string16> test_map;
+  test_map["foo"] = UTF8ToUTF16("bar");
+  test_map["key"] = UTF8ToUTF16("value");
+  JNIEnv* env = AttachCurrentThread();
+  std::map<std::string, string16> result =
+      ConvertJavaMapToMap(env, ConvertMapToJavaMap(env, test_map).obj());
+  EXPECT_EQ(test_map, result);
+}
+
+}  // namespace android
+}  // namespace base