Move Hydrogen and Lithium to src/crankshaft/

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

Index: src/crankshaft/ppc/lithium-gap-resolver-ppc.h
diff --git a/src/ppc/lithium-gap-resolver-ppc.h b/src/crankshaft/ppc/lithium-gap-resolver-ppc.h
similarity index 87%
rename from src/ppc/lithium-gap-resolver-ppc.h
rename to src/crankshaft/ppc/lithium-gap-resolver-ppc.h
index e7cd789f7806c1fb087563f73ae4edc8e2460bbf..6eeea5eee58690720b0152e0c1abb04a09c570be 100644
--- a/src/ppc/lithium-gap-resolver-ppc.h
+++ b/src/crankshaft/ppc/lithium-gap-resolver-ppc.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_PPC_LITHIUM_GAP_RESOLVER_PPC_H_
-#define V8_PPC_LITHIUM_GAP_RESOLVER_PPC_H_
+#ifndef V8_CRANKSHAFT_PPC_LITHIUM_GAP_RESOLVER_PPC_H_
+#define V8_CRANKSHAFT_PPC_LITHIUM_GAP_RESOLVER_PPC_H_
 
-#include "src/lithium.h"
+#include "src/crankshaft/lithium.h"
 
 namespace v8 {
 namespace internal {
@@ -55,4 +55,4 @@ class LGapResolver final BASE_EMBEDDED {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_PPC_LITHIUM_GAP_RESOLVER_PPC_H_
+#endif  // V8_CRANKSHAFT_PPC_LITHIUM_GAP_RESOLVER_PPC_H_