Fix use of history timers in background threads.

src/wasm/module-decoder.h

Index: src/wasm/module-decoder.h
diff --git a/src/wasm/module-decoder.h b/src/wasm/module-decoder.h
index 4bc122c4d6c0f012c76da5f3b912c4c807078cb5..d2c7f6d6dbd760fc575beb6f20715f0e73bcb496 100644
--- a/src/wasm/module-decoder.h
+++ b/src/wasm/module-decoder.h
@@ -60,9 +60,15 @@ typedef std::vector<std::vector<AsmJsOffsetEntry>> AsmJsOffsets;
 typedef Result<AsmJsOffsets> AsmJsOffsetsResult;
 
 // Decodes the bytes of a wasm module between {module_start} and {module_end}.
-V8_EXPORT_PRIVATE ModuleResult DecodeWasmModule(
+V8_EXPORT_PRIVATE ModuleResult SyncDecodeWasmModule(Isolate* isolate,
+                                                    const byte* module_start,
+                                                    const byte* module_end,
+                                                    bool verify_functions,
+                                                    ModuleOrigin origin);
+
+V8_EXPORT_PRIVATE ModuleResult AsyncDecodeWasmModule(
     Isolate* isolate, const byte* module_start, const byte* module_end,
-    bool verify_functions, ModuleOrigin origin, bool is_sync = true);
+    bool verify_functions, ModuleOrigin origin, Counters* async_counters);
 
 // Exposed for testing. Decodes a single function signature, allocating it
 // in the given zone. Returns {nullptr} upon failure.
@@ -72,9 +78,14 @@ V8_EXPORT_PRIVATE FunctionSig* DecodeWasmSignatureForTesting(Zone* zone,
 
 // Decodes the bytes of a wasm function between
 // {function_start} and {function_end}.
-V8_EXPORT_PRIVATE FunctionResult DecodeWasmFunction(
-    Isolate* isolate, Zone* zone, ModuleBytesEnv* env,
-    const byte* function_start, const byte* function_end, bool is_sync = true);
+V8_EXPORT_PRIVATE FunctionResult
+SyncDecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleBytesEnv* env,
+                       const byte* function_start, const byte* function_end);
+
+V8_EXPORT_PRIVATE FunctionResult
+AsyncDecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleBytesEnv* env,
+                        const byte* function_start, const byte* function_end,
+                        Counters* async_counters);
 
 V8_EXPORT_PRIVATE WasmInitExpr DecodeWasmInitExprForTesting(const byte* start,
                                                             const byte* end);