[stubs] Extract ToInteger to CodeStubAssembler

src/builtins/builtins-sharedarraybuffer.cc

 // Copyright 2016 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.
 
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
 #include "src/code-factory.h"
 
 namespace v8 {
@@ skipping 210 matching lines @@
   Node* instance_type;
   Node* backing_store;
   ValidateSharedTypedArray(a, array, context, &instance_type, &backing_store);
 
   Node* index_word32 = ConvertTaggedAtomicIndexToWord32(a, index, context);
   Node* array_length_word32 = a->TruncateTaggedToWord32(
       context, a->LoadObjectField(array, JSTypedArray::kLengthOffset));
   ValidateAtomicIndex(a, index_word32, array_length_word32, context);
   Node* index_word = a->ChangeUint32ToWord(index_word32);
 
-  Callable to_integer = CodeFactory::ToInteger(a->isolate());
-  Node* value_integer = a->CallStub(to_integer, context, value);
+  Node* value_integer = a->ToInteger(context, value);
   Node* value_word32 = a->TruncateTaggedToWord32(context, value_integer);
 
   CodeStubAssembler::Label u8(a), u16(a), u32(a), other(a);
   int32_t case_values[] = {
       FIXED_INT8_ARRAY_TYPE,   FIXED_UINT8_ARRAY_TYPE, FIXED_INT16_ARRAY_TYPE,
       FIXED_UINT16_ARRAY_TYPE, FIXED_INT32_ARRAY_TYPE, FIXED_UINT32_ARRAY_TYPE,
   };
   CodeStubAssembler::Label* case_labels[] = {
       &u8, &u8, &u16, &u16, &u32, &u32,
   };
@@ skipping 15 matching lines @@
                  a->WordShl(index_word, 2), value_word32);
   a->Return(value_integer);
 
   // This shouldn't happen, we've already validated the type.
   a->Bind(&other);
   a->Return(a->Int32Constant(0));
 }
 
 }  // namespace internal
 }  // namespace v8