Refactor java packages.

mojo/android/javatests/src/org/chromium/mojo/system/impl/CoreImplTest.java

 // Copyright 2014 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.system;
+package org.chromium.mojo.system.impl;
 
 import android.test.suitebuilder.annotation.SmallTest;
 
+import org.chromium.mojo.MojoTestCase;
+import org.chromium.mojo.system.AsyncWaiter;
 import org.chromium.mojo.system.AsyncWaiter.Callback;
 import org.chromium.mojo.system.AsyncWaiter.Cancellable;
+import org.chromium.mojo.system.Core;
 import org.chromium.mojo.system.Core.WaitFlags;
 import org.chromium.mojo.system.Core.WaitManyResult;
+import org.chromium.mojo.system.DataPipe;
+import org.chromium.mojo.system.Handle;
+import org.chromium.mojo.system.InvalidHandle;
+import org.chromium.mojo.system.MessagePipeHandle;
 import org.chromium.mojo.system.MessagePipeHandle.ReadFlags;
 import org.chromium.mojo.system.MessagePipeHandle.ReadMessageResult;
 import org.chromium.mojo.system.MessagePipeHandle.WriteFlags;
+import org.chromium.mojo.system.MojoException;
+import org.chromium.mojo.system.MojoResult;
+import org.chromium.mojo.system.Pair;
+import org.chromium.mojo.system.SharedBufferHandle;
 import org.chromium.mojo.system.SharedBufferHandle.MapFlags;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Random;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
 /**
  * Testing the core API.
  */
-public class CoreTest extends MojoTestCase {
+public class CoreImplTest extends MojoTestCase {
 
     private static final long RUN_LOOP_TIMEOUT_MS = 5;
 
     private static final ScheduledExecutorService WORKER =
             Executors.newSingleThreadScheduledExecutor();
 
     /**
      * Runnable that will close the given handle.
      */
     private static class CloseHandle implements Runnable {
@@ skipping 739 matching lines @@
             nativeRunLoop(RUN_LOOP_TIMEOUT_MS);
             assertEquals(Integer.MIN_VALUE, asyncWaiterResult.getResult());
             assertEquals(null, asyncWaiterResult.getException());
         } finally {
             handles.first.close();
             handles.second.close();
         }
     }
 
 }