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

mojo/edk/system/raw_channel.h

Index: mojo/edk/system/raw_channel.h
diff --git a/mojo/edk/system/raw_channel.h b/mojo/edk/system/raw_channel.h
index f08512098ad526f424f689208f3318ba5a0f5507..03a3c884c5b1fa847c94700dc0d9f994b096d061 100644
--- a/mojo/edk/system/raw_channel.h
+++ b/mojo/edk/system/raw_channel.h
@@ -9,7 +9,8 @@
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/platform/platform_handle.h"
+#include "mojo/edk/platform/scoped_platform_handle.h"
 #include "mojo/edk/system/message_in_transit.h"
 #include "mojo/edk/system/message_in_transit_queue.h"
 #include "mojo/edk/util/mutex.h"
@@ -66,7 +67,7 @@ class RawChannel {
     // |Shutdown()| and then (if desired) destroy it.
     virtual void OnReadMessage(
         const MessageInTransit::View& message_view,
-        std::unique_ptr<std::vector<embedder::ScopedPlatformHandle>>
+        std::unique_ptr<std::vector<platform::ScopedPlatformHandle>>
             platform_handles) = 0;
 
     // Called when there's a (fatal) error. This may call the |RawChannel|'s
@@ -85,7 +86,7 @@ class RawChannel {
   // (platform-appropriate) bidirectional communication channel (e.g., a socket
   // on POSIX, a named pipe on Windows).
   static std::unique_ptr<RawChannel> Create(
-      embedder::ScopedPlatformHandle handle);
+      platform::ScopedPlatformHandle handle);
 
   // This must be called (on an I/O thread) before this object is used. Does
   // *not* take ownership of |delegate|. Both the I/O thread and |delegate| must
@@ -171,7 +172,7 @@ class RawChannel {
     // |PlatformHandle::CloseIfNecessary()| isn't const (and actually modifies
     // state).
     void GetPlatformHandlesToSend(size_t* num_platform_handles,
-                                  embedder::PlatformHandle** platform_handles,
+                                  platform::PlatformHandle** platform_handles,
                                   void** serialization_data);
 
     // Gets buffers to be written. These buffers will always come from the front
@@ -261,7 +262,7 @@ class RawChannel {
   // called when |num_platform_handles| is nonzero. Returns null if the
   // |num_platform_handles| handles are not available. Only called on the I/O
   // thread.
-  virtual std::unique_ptr<std::vector<embedder::ScopedPlatformHandle>>
+  virtual std::unique_ptr<std::vector<platform::ScopedPlatformHandle>>
   GetReadPlatformHandles(size_t num_platform_handles,
                          const void* platform_handle_table)
       MOJO_LOCKS_EXCLUDED(write_mutex_) = 0;