EDK: Move {platform_handle,scoped_platform_handle}.* to //mojo/edk/platform.

mojo/edk/embedder/embedder.h

 // 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.
 
 #ifndef MOJO_EDK_EMBEDDER_EMBEDDER_H_
 #define MOJO_EDK_EMBEDDER_EMBEDDER_H_
 
 #include <functional>
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "mojo/edk/embedder/channel_info_forward.h"
 #include "mojo/edk/embedder/process_type.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/embedder/slave_info.h"
+#include "mojo/edk/platform/scoped_platform_handle.h"
 #include "mojo/edk/platform/task_runner.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
 namespace mojo {
 namespace embedder {
 
 struct Configuration;
 class PlatformSupport;
 class ProcessDelegate;
 
@@ skipping 22 matching lines @@
 MojoResult AsyncWait(MojoHandle handle,
                      MojoHandleSignals signals,
                      const std::function<void(MojoResult)>& callback);
 
 // Creates a |MojoHandle| that wraps the given |PlatformHandle| (taking
 // ownership of it). This |MojoHandle| can then, e.g., be passed through message
 // pipes. Note: This takes ownership (and thus closes) |platform_handle| even on
 // failure, which is different from what you'd expect from a Mojo API, but it
 // makes for a more convenient embedder API.
 MojoResult CreatePlatformHandleWrapper(
-    ScopedPlatformHandle platform_handle,
+    platform::ScopedPlatformHandle platform_handle,
     MojoHandle* platform_handle_wrapper_handle);
 
 // Retrieves the |PlatformHandle| that was wrapped into a |MojoHandle| (using
 // |CreatePlatformHandleWrapper()| above). Note that the |MojoHandle| must still
 // be closed separately.
-MojoResult PassWrappedPlatformHandle(MojoHandle platform_handle_wrapper_handle,
-                                     ScopedPlatformHandle* platform_handle);
+MojoResult PassWrappedPlatformHandle(
+    MojoHandle platform_handle_wrapper_handle,
+    platform::ScopedPlatformHandle* platform_handle);
 
 // Initialialization/shutdown for interprocess communication (IPC) -------------
 
 // |InitIPCSupport()| sets up the subsystem for interprocess communication,
 // making the IPC functions (in the following section) available and functional.
 // (This may only be done after |Init()|.)
 //
 // This subsystem may be shut down, using |ShutdownIPCSupportOnIOThread()| or
 // |ShutdownIPCSupport()|. None of the IPC functions may be called while or
 // after either of these is called.
 
 // Initializes a process of the given type; to be called after |Init()|.
 //   - |process_delegate| must be a process delegate of the appropriate type
 //     corresponding to |process_type|; its methods will be called on
 //     |delegate_thread_task_runner|.
 //   - |delegate_thread_task_runner|, |process_delegate|, and
 //     |io_thread_task_runner| should live at least until
 //     |ShutdownIPCSupport()|'s callback has been run or
 //     |ShutdownIPCSupportOnIOThread()| has completed.
 //   - For slave processes (i.e., |process_type| is |ProcessType::SLAVE|),
 //     |platform_handle| should be connected to the handle passed to
 //     |ConnectToSlave()| (in the master process). For other processes,
 //     |platform_handle| is ignored (and should not be valid).
 void InitIPCSupport(
     ProcessType process_type,
     util::RefPtr<platform::TaskRunner>&& delegate_thread_task_runner,
     ProcessDelegate* process_delegate,
     util::RefPtr<platform::TaskRunner>&& io_thread_task_runner,
-    ScopedPlatformHandle platform_handle);
+    platform::ScopedPlatformHandle platform_handle);
 
 // Shuts down the subsystem initialized by |InitIPCSupport()|. This must be
 // called on the I/O thread (given to |InitIPCSupport()|). This completes
 // synchronously and does not result in a call to the process delegate's
 // |OnShutdownComplete()|.
 void ShutdownIPCSupportOnIOThread();
 
 // Like |ShutdownIPCSupportOnIOThread()|, but may be called from any thread,
 // signaling shutdown completion via the process delegate's
 // |OnShutdownComplete()|.
@@ skipping 17 matching lines @@
 // |DestroyChannel()|/|DestroyChannelOnIOThread()|, but only after
 // |did_connect_to_slave_callback| has been run.
 //
 // |did_connect_to_slave_callback| will be run either using
 // |did_connect_to_slave_runner| (if non-null) or on the I/O thread, once the
 // |ChannelInfo*| is valid.
 //
 // TODO(vtl): The API is a little crazy with respect to the |ChannelInfo*|.
 ScopedMessagePipeHandle ConnectToSlave(
     SlaveInfo slave_info,
-    ScopedPlatformHandle platform_handle,
+    platform::ScopedPlatformHandle platform_handle,
     const base::Closure& did_connect_to_slave_callback,
     util::RefPtr<platform::TaskRunner>&& did_connect_to_slave_runner,
     std::string* platform_connection_id,
     ChannelInfo** channel_info);
 
 // Called in a slave process to connect it to the IPC system. (This should only
 // be called in a process initialized (using |InitIPCSupport()|) with process
 // type |ProcessType::SLAVE|.) This should be called exactly once in each slave
 // process.
 //
@@ skipping 42 matching lines @@
 // first synchronously and second asynchronously.
 //
 // The destruction functions are similarly synchronous and asynchronous,
 // respectively, and take the |ChannelInfo*| produced by the creation functions.
 
 // Creates a channel; must only be called from the I/O thread. |platform_handle|
 // should be a handle to a connected OS "pipe". Eventually (even on failure),
 // the "out" value |*channel_info| should be passed to |DestoryChannel()| to
 // tear down the channel. Returns a handle to the bootstrap message pipe.
 ScopedMessagePipeHandle CreateChannelOnIOThread(
-    ScopedPlatformHandle platform_handle,
+    platform::ScopedPlatformHandle platform_handle,
     ChannelInfo** channel_info);
 
 // Creates a channel asynchronously; may be called from any thread.
 // |platform_handle| should be a handle to a connected OS "pipe".
 // |did_create_channel_callback| should be the callback to call with the
 // |ChannelInfo*|, which should eventually be passed to |DestroyChannel()| to
 // tear down the channel; the callback will be called using
 // |did_create_channel_runner| if that is non-null, or otherwise it will be
 // posted to the I/O thread. Returns a handle to the bootstrap message pipe.
 //
 // Note: This should only be used to establish a channel with a process of type
 // |ProcessType::NONE|. This function may be removed in the future.
 ScopedMessagePipeHandle CreateChannel(
-    ScopedPlatformHandle platform_handle,
+    platform::ScopedPlatformHandle platform_handle,
     const base::Callback<void(ChannelInfo*)>& did_create_channel_callback,
     util::RefPtr<platform::TaskRunner>&& did_create_channel_runner);
 
 // Destroys a channel that was created using |ConnectToMaster()|,
 // |ConnectToSlave()|, |CreateChannel()|, or |CreateChannelOnIOThread()|; must
 // be called from the channel's I'O thread. Completes synchronously (and posts
 // no tasks).
 void DestroyChannelOnIOThread(ChannelInfo* channel_info);
 
 // Like |DestroyChannelOnIOThread()|, but asynchronous and may be called from
 // any thread. The callback will be called using |did_destroy_channel_runner|
 // if that is non-null, or otherwise it will be called on the "channel thread".
 // The "channel thread" must remain alive and continue to process tasks until
 // the callback has been executed.
 void DestroyChannel(
     ChannelInfo* channel_info,
     const base::Closure& did_destroy_channel_callback,
     util::RefPtr<platform::TaskRunner>&& did_destroy_channel_runner);
 
 // Inform the channel that it will soon be destroyed (doing so is optional).
 // This may be called from any thread, but the caller must ensure that this is
 // called before |DestroyChannel()|.
 void WillDestroyChannelSoon(ChannelInfo* channel_info);
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_EMBEDDER_H_