EDK: Add PlatformHandleWatcher to Channel (and ChannelManager) classes.

mojo/edk/system/remote_data_pipe_impl_unittest.cc

 // 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.
 
 // This file tests both |RemoteProducerDataPipeImpl| and
 // |RemoteConsumerDataPipeImpl|.
 
 #include <stdint.h>
 
 #include <utility>
@@ skipping 71 matching lines @@
     message_pipes_[i] = nullptr;
   }
 
  private:
   void SetUpOnIOThread(RefPtr<ChannelEndpoint>&& ep0,
                        RefPtr<ChannelEndpoint>&& ep1) {
     CHECK(io_thread_.IsCurrentAndRunning());
 
     embedder::PlatformChannelPair channel_pair;
     channels_[0] = MakeRefCounted<Channel>(&platform_support_);
-    channels_[0]->Init(RawChannel::Create(channel_pair.PassServerHandle()));
+    channels_[0]->Init(io_thread_.task_runner().Clone(),
+                       io_thread_.platform_handle_watcher(),
+                       RawChannel::Create(channel_pair.PassServerHandle()));
     channels_[0]->SetBootstrapEndpoint(std::move(ep0));
     channels_[1] = MakeRefCounted<Channel>(&platform_support_);
-    channels_[1]->Init(RawChannel::Create(channel_pair.PassClientHandle()));
+    channels_[1]->Init(io_thread_.task_runner().Clone(),
+                       io_thread_.platform_handle_watcher(),
+                       RawChannel::Create(channel_pair.PassClientHandle()));
     channels_[1]->SetBootstrapEndpoint(std::move(ep1));
   }
 
   void TearDownOnIOThread() {
     CHECK(io_thread_.IsCurrentAndRunning());
 
     if (channels_[0]) {
       channels_[0]->Shutdown();
       channels_[0] = nullptr;
     }
@@ skipping 390 matching lines @@
   EXPECT_EQ(123456, elements[0]);
   EXPECT_EQ(789012, elements[1]);
   EXPECT_EQ(0, elements[2]);
 
   consumer->Close();
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo