Revert 235752 "Fix chrome upload with content uri"

trunk/src/base/android/java/src/org/chromium/base/ContentUriUtils.java

Index: trunk/src/base/android/java/src/org/chromium/base/ContentUriUtils.java
===================================================================
--- trunk/src/base/android/java/src/org/chromium/base/ContentUriUtils.java	(revision 235758)
+++ trunk/src/base/android/java/src/org/chromium/base/ContentUriUtils.java	(working copy)
@@ -1,76 +0,0 @@
-// 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.
-
-package org.chromium.base;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.net.Uri;
-import android.os.ParcelFileDescriptor;
-import android.util.Log;
-
-import org.chromium.base.CalledByNative;
-
-/**
- * This class provides methods to access content URI schemes.
- */
-abstract class ContentUriUtils {
-    private static final String TAG = "ContentUriUtils";
-
-    // Prevent instantiation.
-    private ContentUriUtils() {}
-
-    /**
-     * Opens the content URI for reading, and returns the file descriptor to
-     * the caller. The caller is responsible for closing the file desciptor.
-     *
-     * @param context {@link Context} in interest
-     * @param uriString the content URI to open
-     * @returns file desciptor upon sucess, or -1 otherwise.
-     */
-    @CalledByNative
-    public static int openContentUriForRead(Context context, String uriString) {
-        ParcelFileDescriptor pfd = getParcelFileDescriptor(context, uriString);
-        if (pfd != null) {
-            return pfd.detachFd();
-        }
-        return -1;
-    }
-
-    /**
-     * Check whether a content URI exists.
-     *
-     * @param context {@link Context} in interest.
-     * @param uriString the content URI to query.
-     * @returns true if the uri exists, or false otherwise.
-     */
-    @CalledByNative
-    public static boolean contentUriExists(Context context, String uriString) {
-        ParcelFileDescriptor pfd = getParcelFileDescriptor(context, uriString);
-        if (pfd == null) {
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Helper method to open a content URI and return the ParcelFileDescriptor.
-     *
-     * @param context {@link Context} in interest.
-     * @param uriString the content URI to open.
-     * @returns ParcelFileDescriptor of the content URI, or NULL if the file does not exist.
-     */
-    private static ParcelFileDescriptor getParcelFileDescriptor(Context context, String uriString) {
-        ContentResolver resolver = context.getContentResolver();
-        Uri uri = Uri.parse(uriString);
-
-        ParcelFileDescriptor pfd = null;
-        try {
-            pfd = resolver.openFileDescriptor(uri, "r");
-        } catch (java.io.FileNotFoundException e) {
-            Log.w(TAG, "Cannot find content uri: " + uriString, e);
-        }
-        return pfd;
-    }
-}