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

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index 2f116e3ec7e31389a0f70ad252a36558b065acfd..6bab4e6e725d6a05f2927a3f98a07921894480ea 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -138,7 +138,7 @@ struct WasmExport {
 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.
 };
@@ -293,7 +293,7 @@ struct ModuleEnv {
   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;
   }