Minor cleanup IC keyed access handling.

src/objects.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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1145 matching lines @@
   bool BooleanValue();                                      // ECMA-262 9.2.
 
   // Convert to a JSObject if needed.
   // native_context is used when creating wrapper object.
   static inline MaybeHandle<JSReceiver> ToObject(Isolate* isolate,
                                                  Handle<Object> object);
   static MaybeHandle<JSReceiver> ToObject(Isolate* isolate,
                                           Handle<Object> object,
                                           Handle<Context> context);
 
-  // Converts this to a Smi if possible.
-  MUST_USE_RESULT static inline MaybeHandle<Smi> ToSmi(Isolate* isolate,
-                                                       Handle<Object> object);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetProperty(
       LookupIterator* it, LanguageMode language_mode = SLOPPY);
 
   // Implementation of [[Put]], ECMA-262 5th edition, section 8.12.5.
   MUST_USE_RESULT static MaybeHandle<Object> SetProperty(
       Handle<Object> object, Handle<Name> name, Handle<Object> value,
       LanguageMode language_mode,
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED);
 
   MUST_USE_RESULT static MaybeHandle<Object> SetProperty(
@@ skipping 832 matching lines @@
   static void EnsureCanContainElements(
       Handle<JSObject> object,
       Arguments* arguments,
       uint32_t first_arg,
       uint32_t arg_count,
       EnsureElementsMode mode);
 
   // Would we convert a fast elements array to dictionary mode given
   // an access at key?
   bool WouldConvertToSlowElements(uint32_t index);
-  inline bool WouldConvertToSlowElements(Handle<Object> key);
 
   // Computes the new capacity when expanding the elements of a JSObject.
   static uint32_t NewElementsCapacity(uint32_t old_capacity) {
     // (old_capacity + 50%) + 16
     return old_capacity + (old_capacity >> 1) + 16;
   }
 
   // These methods do not perform access checks!
   static void UpdateAllocationSite(Handle<JSObject> object,
                                    ElementsKind to_kind);
@@ skipping 8791 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_