Create compiler-scheduler subdir and move existing scheduler there

src/compiler-dispatcher/optimizing-compile-dispatcher.h

Index: src/compiler-dispatcher/optimizing-compile-dispatcher.h
diff --git a/src/optimizing-compile-dispatcher.h b/src/compiler-dispatcher/optimizing-compile-dispatcher.h
similarity index 93%
rename from src/optimizing-compile-dispatcher.h
rename to src/compiler-dispatcher/optimizing-compile-dispatcher.h
index 2b20a53ac580a8b0bf98574666749384e736f5ee..8c032ab3202c671a10b67b5f12b6955168fa4768 100644
--- a/src/optimizing-compile-dispatcher.h
+++ b/src/compiler-dispatcher/optimizing-compile-dispatcher.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_OPTIMIZING_COMPILE_DISPATCHER_H_
-#define V8_OPTIMIZING_COMPILE_DISPATCHER_H_
+#ifndef V8_COMPILER_DISPATCHER_OPTIMIZING_COMPILE_DISPATCHER_H_
+#define V8_COMPILER_DISPATCHER_OPTIMIZING_COMPILE_DISPATCHER_H_
 
 #include <queue>
 
@@ -99,4 +99,4 @@ class OptimizingCompileDispatcher {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_OPTIMIZING_COMPILE_DISPATCHER_H_
+#endif  // V8_COMPILER_DISPATCHER_OPTIMIZING_COMPILE_DISPATCHER_H_