[wasm] Improve naming consistency for WASM instances.

src/objects.h

 // 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 3126 matching lines @@
   static const int kIsAsmJsWasmFrame = 1 << 1;
   static const int kIsStrict = 1 << 2;
   static const int kForceConstructor = 1 << 3;
 
   static Handle<FrameArray> AppendJSFrame(Handle<FrameArray> in,
                                           Handle<Object> receiver,
                                           Handle<JSFunction> function,
                                           Handle<AbstractCode> code, int offset,
                                           int flags);
   static Handle<FrameArray> AppendWasmFrame(Handle<FrameArray> in,
-                                            Handle<Object> wasm_object,
+                                            Handle<Object> wasm_instance,
                                             int wasm_function_index,
                                             Handle<AbstractCode> code,
                                             int offset, int flags);
 
   DECLARE_CAST(FrameArray)
 
  private:
   // The underlying fixed array embodies a captured stack trace. Frame i
   // occupies indices
   //
@@ skipping 3927 matching lines @@
 
   // [flags]: Holds an exciting bitfield.
   DECL_INT_ACCESSORS(flags)
 
   // [source_url]: sourceURL from magic comment
   DECL_ACCESSORS(source_url, Object)
 
   // [source_mapping_url]: sourceMappingURL magic comment
   DECL_ACCESSORS(source_mapping_url, Object)
 
-  // [wasm_object]: the wasm object this script belongs to.
+  // [wasm_instance]: the wasm instance this script belongs to.
   // This must only be called if the type of this script is TYPE_WASM.
-  DECL_ACCESSORS(wasm_object, JSObject)
+  DECL_ACCESSORS(wasm_instance, JSObject)
 
   // [wasm_function_index]: the wasm function index this script belongs to.
   // This must only be called if the type of this script is TYPE_WASM.
   DECL_INT_ACCESSORS(wasm_function_index)
 
   // [compilation_type]: how the the script was compiled. Encoded in the
   // 'flags' field.
   inline CompilationType compilation_type();
   inline void set_compilation_type(CompilationType type);
 
@@ skipping 4622 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_