Moves some files into mojo/common

mojo/common/handle_watcher.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 <map>
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
-#include "mojo/shell/scoped_message_pipe.h"
+#include "mojo/common/scoped_message_pipe.h"
 
 namespace mojo {
-namespace shell {
+namespace common {
 
 typedef int WatcherID;
 
 namespace {
 
 const char kWatcherThreadName[] = "handle-watcher-thread";
 
 // WatcherThreadManager --------------------------------------------------------
 
 // WatcherThreadManager manages listening for the handles. It is a singleton. It
@@ skipping 355 matching lines @@
 base::TimeTicks HandleWatcher::NowTicks() {
   return tick_clock_ ? tick_clock_->NowTicks() : base::TimeTicks::Now();
 }
 
 // static
 base::TimeTicks HandleWatcher::MojoDeadlineToTimeTicks(MojoDeadline deadline) {
   return deadline == MOJO_DEADLINE_INDEFINITE ? base::TimeTicks() :
       NowTicks() + base::TimeDelta::FromMicroseconds(deadline);
 }
 
-}  // namespace shell
+}  // namespace common
 }  // namespace mojo