[wasm] Remove special memory type for (internal) globals and use local type instead.

src/wasm/wasm-module.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_WASM_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include "src/api.h"
 #include "src/handles.h"
 #include "src/wasm/wasm-opcodes.h"
@@ skipping 120 matching lines @@
 struct WasmExport {
   uint32_t func_index;   // index into the function table.
   uint32_t name_offset;  // offset in module bytes of the name to export.
   uint32_t name_length;  // length in bytes of the exported name.
 };
 
 // Static representation of a wasm global variable.
 struct WasmGlobal {
   uint32_t name_offset;  // offset in the module bytes of the name, if any.
   uint32_t name_length;  // length in bytes of the global name.
-  MachineType type;      // type of the global.
+  LocalType type;        // type of the global.
   uint32_t offset;       // offset from beginning of globals area.
   bool exported;         // true if this global is exported.
 };
 
 // Static representation of a wasm data segment.
 struct WasmDataSegment {
   uint32_t dest_addr;      // destination memory address of the data.
   uint32_t source_offset;  // start offset in the module bytes.
   uint32_t source_size;    // end offset in the module bytes.
   bool init;               // true if loaded upon instantiation.
@@ skipping 134 matching lines @@
   }
   bool IsValidFunction(uint32_t index) const {
     return module && index < module->functions.size();
   }
   bool IsValidSignature(uint32_t index) {
     return module && index < module->signatures.size();
   }
   bool IsValidImport(uint32_t index) {
     return module && index < module->import_table.size();
   }
-  MachineType GetGlobalType(uint32_t index) {
+  LocalType GetGlobalType(uint32_t index) {
     DCHECK(IsValidGlobal(index));
     return module->globals[index].type;
   }
   FunctionSig* GetFunctionSignature(uint32_t index) {
     DCHECK(IsValidFunction(index));
     return module->functions[index].sig;
   }
   FunctionSig* GetImportSignature(uint32_t index) {
     DCHECK(IsValidImport(index));
     return module->import_table[index].sig;
@@ skipping 81 matching lines @@
 // given encoded module. The module should have no imports.
 int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
                                 const byte* module_end, bool asm_js = false);
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_