[wasm] Rename WasmModuleInstance to WasmInstance.

test/common/wasm/wasm-module-runner.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 "test/common/wasm/wasm-module-runner.h"
 
 #include "src/handles.h"
 #include "src/isolate.h"
 #include "src/objects.h"
 #include "src/property-descriptor.h"
@@ skipping 129 matching lines @@
         module->module_start + module->functions[i].code_start_offset,
         module->module_start + module->functions[i].code_end_offset};
     DecodeResult result = VerifyWasmCode(isolate->allocator(), body);
     if (result.failed()) {
       thrower->Error("Function did not verify");
       return -1;
     }
   }
 
   // The code verifies, we create an instance to run it in the interpreter.
-  WasmModuleInstance instance(module);
+  WasmInstance instance(module);
   instance.context = isolate->native_context();
   instance.mem_size = GetMinModuleMemSize(module);
   // TODO(ahaas): Move memory allocation to wasm-module.cc for better
   // encapsulation.
   instance.mem_start =
       static_cast<byte*>(calloc(GetMinModuleMemSize(module), 1));
   instance.globals_start = nullptr;
   module_env.instance = &instance;
 
   WasmInterpreter interpreter(&instance, isolate->allocator());
@@ skipping 61 matching lines @@
 void SetupIsolateForWasmModule(Isolate* isolate) {
   WasmJs::InstallWasmMapsIfNeeded(isolate, isolate->native_context());
   WasmJs::InstallWasmModuleSymbolIfNeeded(isolate, isolate->global_object(),
                                           isolate->native_context());
 }
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8