Dart: Reorganize files

mojo/dart/embedder/snapshotter/vm.h

Index: mojo/dart/embedder/snapshotter/vm.h
diff --git a/mojo/dart/dart_snapshotter/vm.h b/mojo/dart/embedder/snapshotter/vm.h
similarity index 89%
rename from mojo/dart/dart_snapshotter/vm.h
rename to mojo/dart/embedder/snapshotter/vm.h
index f6330dc01022adf07dee241d2fadfbb450be7943..a98c93e738c19314fba6b084b77d67f0034c96b5 100644
--- a/mojo/dart/dart_snapshotter/vm.h
+++ b/mojo/dart/embedder/snapshotter/vm.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_DART_DART_SNAPSHOTTER_VM_H_
-#define MOJO_DART_DART_SNAPSHOTTER_VM_H_
+#ifndef MOJO_DART_EMBEDDER_SNAPSHOTTER_VM_H_
+#define MOJO_DART_EMBEDDER_SNAPSHOTTER_VM_H_
 
 #include "dart/runtime/include/dart_api.h"
 #include "tonic/dart_library_provider.h"
@@ -42,4 +42,4 @@ class SnapshotterDartState : public tonic::DartState {
 void InitDartVM();
 Dart_Isolate CreateDartIsolate();
 
-#endif  // MOJO_DART_DART_SNAPSHOTTER_VM_H_
+#endif  // MOJO_DART_EMBEDDER_SNAPSHOTTER_VM_H_