Moves some files into mojo/common

mojo/common/handle_watcher_unittest.cc

 // Copyright 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 "mojo/shell/handle_watcher.h"
+#include "mojo/common/handle_watcher.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "base/test/simple_test_tick_clock.h"
-#include "mojo/shell/scoped_message_pipe.h"
+#include "mojo/common/scoped_message_pipe.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
-namespace shell {
+namespace common {
 namespace test {
 
 MojoResult WriteToHandle(MojoHandle handle) {
   return MojoWriteMessage(handle, NULL, 0, NULL, 0,
                           MOJO_WRITE_MESSAGE_FLAG_NONE);
 }
 
 MojoResult ReadFromHandle(MojoHandle handle) {
   uint32_t num_bytes = 0;
   uint32_t num_handles = 0;
@@ skipping 69 matching lines @@
   }
 
  protected:
   void InstallTickClock() {
     HandleWatcher::tick_clock_ = &tick_clock_;
   }
 
   base::SimpleTestTickClock tick_clock_;
 
  private:
+  base::MessageLoop message_loop_;
+
   DISALLOW_COPY_AND_ASSIGN(HandleWatcherTest);
 };
 
 // Trivial test case with a single handle to watch.
 TEST_F(HandleWatcherTest, SingleHandler) {
   ScopedMessagePipe test_pipe;
   ASSERT_NE(MOJO_HANDLE_INVALID, test_pipe.handle_0());
   CallbackHelper callback_helper;
   HandleWatcher watcher;
   callback_helper.Start(&watcher, test_pipe.handle_0());
@@ skipping 152 matching lines @@
   HandleWatcher watcher3;
   callback_helper3.Start(&watcher3, test_pipe3.handle_0());
 
   callback_helper2.RunUntilGotCallback();
   EXPECT_FALSE(callback_helper1.got_callback());
   EXPECT_TRUE(callback_helper2.got_callback());
   EXPECT_FALSE(callback_helper3.got_callback());
 }
 
 }  // namespace test
-}  // namespace shell
+}  // namespace common
 }  // namespace mojo