Mojo: Rename PlatformChannelHandle to PlatformHandle, etc.

mojo/system/channel.h

 // 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.
 
 #ifndef MOJO_SYSTEM_CHANNEL_H_
 #define MOJO_SYSTEM_CHANNEL_H_
 
 #include <stdint.h>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "mojo/public/system/core.h"
 #include "mojo/system/message_in_transit.h"
 #include "mojo/system/message_pipe.h"
 #include "mojo/system/raw_channel.h"
+#include "mojo/system/scoped_platform_handle.h"
 #include "mojo/system/system_impl_export.h"
 
 namespace base {
 class MessageLoop;
 }
 
 namespace mojo {
 namespace system {
 
 // This class is mostly thread-safe. It must be created on an "I/O thread" (see
@@ skipping 24 matching lines @@
     : public base::RefCountedThreadSafe<Channel>,
       public RawChannel::Delegate {
  public:
   // The first message pipe endpoint attached will have this as its local ID.
   static const MessageInTransit::EndpointId kBootstrapEndpointId = 1;
 
   Channel();
 
   // This must be called on the creation thread before any other methods are
   // called, and before references to this object are given to any other
-  // threads. Takes ownership of |handle|. Returns true on success. On failure,
-  // no other methods should be called (including |Shutdown()|).
-  bool Init(const PlatformChannelHandle& handle);
+  // threads. |handle| should be a handle to a (platform-appropriate)
+  // bidirectional communication channel (e.g., a socket on POSIX, a named pipe
+  // on Windows). Returns true on success. On failure, no other methods should
+  // be called (including |Shutdown()|).
+  bool Init(ScopedPlatformHandle handle);
 
   // This must be called on the creation thread before destruction (which can
   // happen on any thread).
   void Shutdown();
 
   // Attaches the given message pipe/port's endpoint (which must be a
   // |ProxyMessagePipeEndpoint|) to this channel. This assigns it a local ID,
   // which it returns. The first message pipe endpoint attached will always have
   // |kBootstrapEndpointId| as its local ID. (For bootstrapping, this occurs on
   // both sides, so one should use |kBootstrapEndpointId| for the remote ID for
@@ skipping 55 matching lines @@
   // be checked for existence before use.
   MessageInTransit::EndpointId next_local_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Channel);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_SYSTEM_CHANNEL_H_