Mojo: Move mojo/system/embedder to mojo/embedder.

mojo/embedder/scoped_platform_handle.h

Index: mojo/embedder/scoped_platform_handle.h
diff --git a/mojo/system/embedder/scoped_platform_handle.h b/mojo/embedder/scoped_platform_handle.h
similarity index 86%
rename from mojo/system/embedder/scoped_platform_handle.h
rename to mojo/embedder/scoped_platform_handle.h
index 80489c335bf49b9d25c7c088f0eba84d81a9baf4..b9cfb58ea05af06ddbbda84ccb051e62a334e090 100644
--- a/mojo/system/embedder/scoped_platform_handle.h
+++ b/mojo/embedder/scoped_platform_handle.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_SYSTEM_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_
-#define MOJO_SYSTEM_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_
+#ifndef MOJO_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_
+#define MOJO_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_
 
 #include "base/compiler_specific.h"
 #include "base/move.h"
-#include "mojo/system/embedder/platform_handle.h"
+#include "mojo/embedder/platform_handle.h"
 #include "mojo/system/system_impl_export.h"
 
 namespace mojo {
@@ -58,4 +58,4 @@ class MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle {
 }  // namespace embedder
 }  // namespace mojo
 
-#endif  // MOJO_SYSTEM_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_
+#endif  // MOJO_EMBEDDER_SCOPED_PLATFORM_HANDLE_H_