Do not use android specific API in mojo/java.

mojo/java/org/chromium/mojo/common/DataPipeUtils.java

Index: mojo/java/org/chromium/mojo/common/DataPipeUtils.java
diff --git a/mojo/java/org/chromium/mojo/common/DataPipeUtils.java b/mojo/java/org/chromium/mojo/common/DataPipeUtils.java
deleted file mode 100644
index b35ea0c97e833e1e7b1872056b257e7c47c9a879..0000000000000000000000000000000000000000
--- a/mojo/java/org/chromium/mojo/common/DataPipeUtils.java
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2015 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.mojo.common;
-
-import android.os.Handler;
-import android.util.Log;
-
-import org.chromium.mojo.system.Core;
-import org.chromium.mojo.system.DataPipe;
-import org.chromium.mojo.system.MojoException;
-import org.chromium.mojo.system.MojoResult;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.util.concurrent.Executor;
-
-
-/**
- * Helper class for copyToFile.
- */
-class CopyToFileJob implements Runnable {
-    private static final String TAG = "CopyToFileJob";
-
-    private final DataPipe.ConsumerHandle mSource;
-    private final File mDest;
-    private final Runnable mComplete;
-    private final Handler mCaller;
-    private final Core mCore;
-
-    public CopyToFileJob(Core core, DataPipe.ConsumerHandle handle,
-            File file, Runnable complete, Handler caller) {
-        mCore = core;
-        mSource = handle;
-        mDest = file;
-        mComplete = complete;
-        mCaller = caller;
-    }
-
-    private void readLoop(FileChannel dest) {
-        do {
-            try {
-                ByteBuffer buffer = mSource.beginReadData(0,
-                        DataPipe.ReadFlags.NONE);
-                if (buffer.capacity() == 0)
-                    break;
-                dest.write(buffer);
-                mSource.endReadData(buffer.capacity());
-            } catch (MojoException e) {
-                // No one read the pipe, they just closed it.
-                if (e.getMojoResult() == MojoResult.FAILED_PRECONDITION) {
-                    break;
-                } else if (e.getMojoResult() == MojoResult.SHOULD_WAIT) {
-                    mCore.wait(mSource, Core.HandleSignals.READABLE, -1);
-                } else {
-                    throw e;
-                }
-            } catch (IOException e) {
-                Log.e(TAG, "mDest.write failed", e);
-                break;
-            }
-        } while (true);
-    }
-
-    @Override
-    public void run() {
-        FileChannel dest = null;
-        try {
-            dest = new FileOutputStream(mDest, false).getChannel();
-            readLoop(dest);
-        } catch (java.io.FileNotFoundException e) {
-            Log.e(TAG, "destination file does not exist ", e);
-        }
-        mSource.close();
-        try {
-            dest.close();
-        } catch (IOException e) {
-            Log.e(TAG, "failed to close file ", e);
-        }
-
-        mCaller.post(mComplete);
-    }
-}
-
-
-/**
- * Java helpers for dealing with DataPipes.
- */
-public class DataPipeUtils {
-    public static void copyToFile(Core core, DataPipe.ConsumerHandle source,
-              File dest, Executor executor, Runnable complete) {
-        // The default constructor for Handler uses the Looper for this thread.
-        executor.execute(
-                new CopyToFileJob(core, source, dest, complete, new Handler()));
-    }
-}