[wasm] Change the constant kV8MaxWasmTableSize to a command line flag.

src/wasm/wasm-module.cc

 // Copyright 2015 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 <memory>
 
 #include "src/assembler-inl.h"
 #include "src/base/adapters.h"
 #include "src/base/atomic-utils.h"
 #include "src/code-stubs.h"
@@ skipping 1966 matching lines @@
           weak_exported_functions->set(export_index, *weak_export);
           break;
         }
         case kExternalTable: {
           // Export a table as a WebAssembly.Table object.
           TableInstance& table_instance = table_instances_[exp.index];
           WasmIndirectFunctionTable& table =
               module_->function_tables[exp.index];
           if (table_instance.table_object.is_null()) {
             uint32_t maximum =
-                table.has_max ? table.max_size : kV8MaxWasmTableSize;
+                table.has_max ? table.max_size : FLAG_wasm_max_table_size;
             table_instance.table_object = WasmTableObject::New(
                 isolate_, table.min_size, maximum, &table_instance.js_wrappers);
           }
           desc.set_value(table_instance.table_object);
           break;
         }
         case kExternalMemory: {
           // Export the memory as a WebAssembly.Memory object.
           Handle<WasmMemoryObject> memory_object;
           if (!instance->has_memory_object()) {
@@ skipping 686 matching lines @@
 
     JSObject::AddProperty(entry, name_string, export_name.ToHandleChecked(),
                           NONE);
     JSObject::AddProperty(entry, kind_string, export_kind, NONE);
 
     storage->set(index, *entry);
   }
 
   return array_object;
 }