Mojo: Move platform handle/channel stuff in system to embedder namespace.

mojo/system/embedder_unittest.cc

 // 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.
 
 #include "mojo/system/embedder.h"
 
 #include <string.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 16 matching lines @@
   CHECK(store_channel_info_here);
   CHECK(channel_info);
   *store_channel_info_here = channel_info;
 }
 
 TEST_F(EmbedderTest, ChannelsBasic) {
   Init();
 
 // TODO(vtl): |PlatformChannelPair| not implemented on Windows yet.
 #if !defined(OS_WIN)
-  system::PlatformChannelPair channel_pair;
-  system::ScopedPlatformHandle server_handle = channel_pair.PassServerHandle();
-  system::ScopedPlatformHandle client_handle = channel_pair.PassClientHandle();
+  PlatformChannelPair channel_pair;
+  ScopedPlatformHandle server_handle = channel_pair.PassServerHandle();
+  ScopedPlatformHandle client_handle = channel_pair.PassClientHandle();
 
   ChannelInfo* server_channel_info = NULL;
   MojoHandle server_mp = CreateChannel(server_handle.Pass(),
                                        io_thread_task_runner(),
                                        base::Bind(&StoreChannelInfo,
                                                   &server_channel_info));
   EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
 
   ChannelInfo* client_channel_info = NULL;
   MojoHandle client_mp = CreateChannel(client_handle.Pass(),
@@ skipping 43 matching lines @@
 
   test::Shutdown();
 }
 
 // TODO(vtl): Test immediate write & close.
 // TODO(vtl): Test broken-connection cases.
 
 }  // namespace
 }  // namespace embedder
 }  // namespace mojo