Move Hydrogen and Lithium to src/crankshaft/

src/crankshaft/x87/lithium-gap-resolver-x87.h

Index: src/crankshaft/x87/lithium-gap-resolver-x87.h
diff --git a/src/x87/lithium-gap-resolver-x87.h b/src/crankshaft/x87/lithium-gap-resolver-x87.h
similarity index 92%
rename from src/x87/lithium-gap-resolver-x87.h
rename to src/crankshaft/x87/lithium-gap-resolver-x87.h
index 964f3b98a2810626d61c009a68dfbc0ce7e02ade..e688ffe9c2d1d6fa28ef8a2e71ba9088e3faadcc 100644
--- a/src/x87/lithium-gap-resolver-x87.h
+++ b/src/crankshaft/x87/lithium-gap-resolver-x87.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_X87_LITHIUM_GAP_RESOLVER_X87_H_
-#define V8_X87_LITHIUM_GAP_RESOLVER_X87_H_
+#ifndef V8_CRANKSHAFT_X87_LITHIUM_GAP_RESOLVER_X87_H_
+#define V8_CRANKSHAFT_X87_LITHIUM_GAP_RESOLVER_X87_H_
 
-#include "src/lithium.h"
+#include "src/crankshaft/lithium.h"
 
 namespace v8 {
 namespace internal {
@@ -83,4 +83,4 @@ class LGapResolver final BASE_EMBEDDED {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_X87_LITHIUM_GAP_RESOLVER_X87_H_
+#endif  // V8_CRANKSHAFT_X87_LITHIUM_GAP_RESOLVER_X87_H_