[wasm] Rename wasm::LocalType to wasm::ValueType and kAst* to kWasm*

src/wasm/wasm-opcodes.cc

Index: src/wasm/wasm-opcodes.cc
diff --git a/src/wasm/wasm-opcodes.cc b/src/wasm/wasm-opcodes.cc
index 287f6ad88a3014bd963c159912c8e68af8bf40f0..2a00a73cbdaa3102172bb360c3ed68a7800b75f4 100644
--- a/src/wasm/wasm-opcodes.cc
+++ b/src/wasm/wasm-opcodes.cc
@@ -11,7 +11,7 @@ namespace v8 {
 namespace internal {
 namespace wasm {
 
-typedef Signature<LocalType> FunctionSig;
+typedef Signature<ValueType> FunctionSig;
 
 const char* WasmOpcodes::OpcodeName(WasmOpcode opcode) {
   switch (opcode) {
@@ -70,7 +70,7 @@ enum WasmOpcodeSig { FOREACH_SIGNATURE(DECLARE_SIG_ENUM) };
 
 // TODO(titzer): not static-initializer safe. Wrap in LazyInstance.
 #define DECLARE_SIG(name, ...)                      \
-  static LocalType kTypes_##name[] = {__VA_ARGS__}; \
+  static ValueType kTypes_##name[] = {__VA_ARGS__}; \
   static const FunctionSig kSig_##name(             \
       1, static_cast<int>(arraysize(kTypes_##name)) - 1, kTypes_##name);