Move Full-codegen into its own folder.

src/full-codegen/full-codegen.h

Index: src/full-codegen/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen/full-codegen.h
similarity index 99%
rename from src/full-codegen.h
rename to src/full-codegen/full-codegen.h
index c22a6c0e0e07f469ecd3d3519f3d5321e6a17106..f90925df4fdea6bd87dc138ac9a5afe1ecec5ef1 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen/full-codegen.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 V8_FULL_CODEGEN_H_
-#define V8_FULL_CODEGEN_H_
+#ifndef V8_FULL_CODEGEN_FULL_CODEGEN_H_
+#define V8_FULL_CODEGEN_FULL_CODEGEN_H_
 
 #include "src/v8.h"
 
@@ -1086,4 +1086,4 @@ class BackEdgeTable {
 
 } }  // namespace v8::internal
 
-#endif  // V8_FULL_CODEGEN_H_
+#endif  // V8_FULL_CODEGEN_FULL_CODEGEN_H_