Upstream Android's PathUtils implementation.

base/android/path_utils.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/path_utils.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 
 #include "jni/path_utils_jni.h"
 
 namespace base {
 namespace android {
 
 std::string GetDataDirectory() {
   JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> path(env, Java_PathUtils_getDataDirectory(
-      env, base::android::GetApplicationContext()));
-  return base::android::ConvertJavaStringToUTF8(env, path.obj());
+  ScopedJavaLocalRef<jstring> path =
+      Java_PathUtils_getDataDirectory(env, GetApplicationContext());
+  return ConvertJavaStringToUTF8(path);
 }
 
 std::string GetCacheDirectory() {
   JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> path(env, Java_PathUtils_getCacheDirectory(
-      env, base::android::GetApplicationContext()));
-  return base::android::ConvertJavaStringToUTF8(env, path.obj());
+  ScopedJavaLocalRef<jstring> path =
+      Java_PathUtils_getCacheDirectory(env, GetApplicationContext());
+  return ConvertJavaStringToUTF8(path);
+}
+
+std::string GetDownloadsDirectory() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> path =
+      Java_PathUtils_getDownloadsDirectory(env, GetApplicationContext());
+  return ConvertJavaStringToUTF8(path);
 }
 
 bool RegisterPathUtils(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace base