Move LookupResult into crankshaft as that's now the only place where it's still used

src/globals.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 355 matching lines @@
 class Heap;
 class HeapObject;
 class IC;
 class InterceptorInfo;
 class Isolate;
 class JSReceiver;
 class JSArray;
 class JSFunction;
 class JSObject;
 class LargeObjectSpace;
-class LookupResult;
 class MacroAssembler;
 class Map;
 class MapSpace;
 class MarkCompactCollector;
 class NewSpace;
 class Object;
 class OldSpace;
 class Foreign;
 class Scope;
 class ScopeInfo;
@@ skipping 500 matching lines @@
   DCHECK(IsValidFunctionKind(kind));
   return kind &
          (FunctionKind::kBaseConstructor | FunctionKind::kSubclassConstructor |
           FunctionKind::kDefaultConstructor);
 }
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_