Move Hydrogen and Lithium to src/crankshaft/

src/crankshaft/mips64/lithium-gap-resolver-mips64.h

Index: src/crankshaft/mips64/lithium-gap-resolver-mips64.h
diff --git a/src/mips64/lithium-gap-resolver-mips64.h b/src/crankshaft/mips64/lithium-gap-resolver-mips64.h
similarity index 86%
rename from src/mips64/lithium-gap-resolver-mips64.h
rename to src/crankshaft/mips64/lithium-gap-resolver-mips64.h
index 6ede420d6ff27fcc40c4b40de9b20cf05a4f0b09..85d8e2920c690c43f7bcaba03601272a04dd103b 100644
--- a/src/mips64/lithium-gap-resolver-mips64.h
+++ b/src/crankshaft/mips64/lithium-gap-resolver-mips64.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_MIPS_LITHIUM_GAP_RESOLVER_MIPS_H_
-#define V8_MIPS_LITHIUM_GAP_RESOLVER_MIPS_H_
+#ifndef V8_CRANKSHAFT_MIPS64_LITHIUM_GAP_RESOLVER_MIPS_H_
+#define V8_CRANKSHAFT_MIPS64_LITHIUM_GAP_RESOLVER_MIPS_H_
 
-#include "src/lithium.h"
+#include "src/crankshaft/lithium.h"
 
 namespace v8 {
 namespace internal {
@@ -56,4 +56,4 @@ class LGapResolver final BASE_EMBEDDED {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_MIPS_LITHIUM_GAP_RESOLVER_MIPS_H_
+#endif  // V8_CRANKSHAFT_MIPS64_LITHIUM_GAP_RESOLVER_MIPS_H_