Remove unused isolate parameter from NumberToSize and TryNumberToSize

src/runtime/runtime-strings.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/regexp/jsregexp-inl.h"
 #include "src/string-builder.h"
 #include "src/string-search.h"
@@ skipping 381 matching lines @@
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   CONVERT_ARG_HANDLE_CHECKED(JSArray, array, 0);
   int32_t array_length;
   if (!args[1]->ToInt32(&array_length)) {
     THROW_NEW_ERROR_RETURN_FAILURE(isolate, NewInvalidStringLengthError());
   }
   CONVERT_ARG_HANDLE_CHECKED(String, special, 2);
 
   size_t actual_array_length = 0;
-  CHECK(TryNumberToSize(isolate, array->length(), &actual_array_length));
+  CHECK(TryNumberToSize(array->length(), &actual_array_length));
   CHECK(array_length >= 0);
   CHECK(static_cast<size_t>(array_length) <= actual_array_length);
 
   // This assumption is used by the slice encoding in one or two smis.
   DCHECK(Smi::kMaxValue >= String::kMaxLength);
 
   CHECK(array->HasFastElements());
   JSObject::EnsureCanContainHeapObjectElements(array);
 
   int special_length = special->length();
@@ skipping 761 matching lines @@
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
   if (!args[0]->IsString()) return isolate->heap()->undefined_value();
   if (!args[1]->IsNumber()) return isolate->heap()->undefined_value();
   if (std::isinf(args.number_at(1))) return isolate->heap()->nan_value();
   return __RT_impl_Runtime_StringCharCodeAtRT(args, isolate);
 }
 
 }  // namespace internal
 }  // namespace v8