[wasm] Fix some lost WasmDecoder template parameters.

R=clemensh@chromium.org

Change-Id: I6539bef4a0caa01bffaad85332c31681176c24d6
Reviewed-on: https://chromium-review.googlesource.com/1204110Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55607}

src/wasm/function-body-decoder-impl.h

@@ -783,7 +783,7 @@ class WasmDecoder : public Decoder {
           break;
         case kExprSetLocal:  // fallthru
         case kExprTeeLocal: {
-          LocalIndexImmediate<Decoder::kValidate> imm(decoder, pc);
+          LocalIndexImmediate<validate> imm(decoder, pc);
           if (assigned->length() > 0 &&
               imm.index < static_cast<uint32_t>(assigned->length())) {
             // Unverified code might have an out-of-bounds index.
@@ -813,8 +813,7 @@ class WasmDecoder : public Decoder {
     return VALIDATE(decoder->ok()) ? assigned : nullptr;
   }
 
-  inline bool Validate(const byte* pc,
-                       LocalIndexImmediate<Decoder::kValidate>& imm) {
+  inline bool Validate(const byte* pc, LocalIndexImmediate<validate>& imm) {
     if (!VALIDATE(imm.index < total_locals())) {
       errorf(pc + 1, "invalid local index: %u", imm.index);
       return false;
@@ -1041,7 +1040,7 @@ class WasmDecoder : public Decoder {
       case kExprSetLocal:
       case kExprTeeLocal:
       case kExprGetLocal: {
-        LocalIndexImmediate<Decoder::kValidate> imm(decoder, pc);
+        LocalIndexImmediate<validate> imm(decoder, pc);
         return 1 + imm.length;
       }
       case kExprBrTable: {
@@ -1473,7 +1472,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
           }
           case kExprThrow: {
             CHECK_PROTOTYPE_OPCODE(eh);
-            ExceptionIndexImmediate<Decoder::kValidate> imm(this, this->pc_);
+            ExceptionIndexImmediate<validate> imm(this, this->pc_);
             len = 1 + imm.length;
             if (!this->Validate(this->pc_, imm)) break;
             PopArgs(imm.exception->ToFunctionSig());
@@ -1497,7 +1496,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
           case kExprCatch: {
             // TODO(kschimpf): Fix to use type signature of exception.
             CHECK_PROTOTYPE_OPCODE(eh);
-            ExceptionIndexImmediate<Decoder::kValidate> imm(this, this->pc_);
+            ExceptionIndexImmediate<validate> imm(this, this->pc_);
             len = 1 + imm.length;
 
             if (!this->Validate(this->pc_, imm)) break;
@@ -1749,7 +1748,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
             break;
           }
           case kExprGetLocal: {
-            LocalIndexImmediate<Decoder::kValidate> imm(this, this->pc_);
+            LocalIndexImmediate<validate> imm(this, this->pc_);
             if (!this->Validate(this->pc_, imm)) break;
             auto* value = Push(imm.type);
             CALL_INTERFACE_IF_REACHABLE(GetLocal, value, imm);
@@ -1757,7 +1756,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
             break;
           }
           case kExprSetLocal: {
-            LocalIndexImmediate<Decoder::kValidate> imm(this, this->pc_);
+            LocalIndexImmediate<validate> imm(this, this->pc_);
             if (!this->Validate(this->pc_, imm)) break;
             auto value = Pop(0, local_type_vec_[imm.index]);
             CALL_INTERFACE_IF_REACHABLE(SetLocal, value, imm);
@@ -1765,7 +1764,7 @@ class WasmFullDecoder : public WasmDecoder<validate> {
             break;
           }
           case kExprTeeLocal: {
-            LocalIndexImmediate<Decoder::kValidate> imm(this, this->pc_);
+            LocalIndexImmediate<validate> imm(this, this->pc_);
             if (!this->Validate(this->pc_, imm)) break;
             auto value = Pop(0, local_type_vec_[imm.index]);
             auto* result = Push(value.type);