[wasm] Improve naming consistency for WASM instances.

src/runtime/runtime-debug.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/debug/debug-evaluate.h"
 #include "src/debug/debug-frames.h"
 #include "src/debug/debug-scopes.h"
@@ skipping 533 matching lines @@
 
   if (it.is_wasm()) {
     // Create the details array (no dynamic information for wasm).
     Handle<FixedArray> details =
         isolate->factory()->NewFixedArray(kFrameDetailsFirstDynamicIndex);
 
     // Add the frame id.
     details->set(kFrameDetailsFrameIdIndex, *frame_id);
 
     // Add the function name.
-    Handle<Object> wasm_obj(it.wasm_frame()->wasm_obj(), isolate);
+    Handle<Object> wasm_instance(it.wasm_frame()->wasm_instance(), isolate);
     int func_index = it.wasm_frame()->function_index();
     Handle<String> func_name =
-        wasm::GetWasmFunctionName(isolate, wasm_obj, func_index);
+        wasm::GetWasmFunctionName(isolate, wasm_instance, func_index);
     details->set(kFrameDetailsFunctionIndex, *func_name);
 
     // Add the script wrapper
     Handle<Object> script_wrapper =
         Script::GetWrapper(frame_inspector.GetScript());
     details->set(kFrameDetailsScriptIndex, *script_wrapper);
 
     // Add the arguments count.
     details->set(kFrameDetailsArgumentCountIndex, Smi::kZero);
 
@@ skipping 1284 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_GetWasmFunctionOffsetTable) {
   DCHECK(args.length() == 1);
   HandleScope scope(isolate);
   CONVERT_ARG_CHECKED(JSValue, script_val, 0);
 
   CHECK(script_val->value()->IsScript());
   Handle<Script> script = Handle<Script>(Script::cast(script_val->value()));
 
   Handle<wasm::WasmDebugInfo> debug_info =
-      wasm::GetDebugInfo(handle(script->wasm_object(), isolate));
+      wasm::GetDebugInfo(handle(script->wasm_instance(), isolate));
   Handle<FixedArray> elements = wasm::WasmDebugInfo::GetFunctionOffsetTable(
       debug_info, script->wasm_function_index());
   return *isolate->factory()->NewJSArrayWithElements(elements);
 }
 
 RUNTIME_FUNCTION(Runtime_DisassembleWasmFunction) {
   DCHECK(args.length() == 1);
   HandleScope scope(isolate);
   CONVERT_ARG_CHECKED(JSValue, script_val, 0);
 
   CHECK(script_val->value()->IsScript());
   Handle<Script> script = Handle<Script>(Script::cast(script_val->value()));
 
   Handle<wasm::WasmDebugInfo> debug_info =
-      wasm::GetDebugInfo(handle(script->wasm_object(), isolate));
+      wasm::GetDebugInfo(handle(script->wasm_instance(), isolate));
   return *wasm::WasmDebugInfo::DisassembleFunction(
       debug_info, script->wasm_function_index());
 }
 
 }  // namespace internal
 }  // namespace v8