[wasm] prototype for breakpoint support.

test/cctest/wasm/wasm-run-utils.h

Index: test/cctest/wasm/wasm-run-utils.h
diff --git a/test/cctest/wasm/wasm-run-utils.h b/test/cctest/wasm/wasm-run-utils.h
index 1f758bb8535dcf5ec316210a4a2b70829aa35aa9..17fb27c8df3d5fa90d42095da609ac635a8621b7 100644
--- a/test/cctest/wasm/wasm-run-utils.h
+++ b/test/cctest/wasm/wasm-run-utils.h
@@ -73,9 +73,10 @@ class TestingModule : public ModuleEnv {
       : execution_mode_(mode),
         instance_(&module_),
         isolate_(CcTest::InitIsolateOnce()),
+        zone_(&allocator_),
         global_offset(0),
         interpreter_(mode == kExecuteInterpreted
-                         ? new WasmInterpreter(&instance_, &allocator_)
+                         ? new WasmInterpreter(&instance_, &zone_)
                          : nullptr) {
     module = &module_;
     instance = &instance_;
@@ -240,6 +241,7 @@ class TestingModule : public ModuleEnv {
   WasmModuleInstance instance_;
   Isolate* isolate_;
   v8::base::AccountingAllocator allocator_;
+  Zone zone_;
   uint32_t global_offset;
   V8_ALIGNED(8) byte global_data[kMaxGlobalsSize];  // preallocated global data.
   WasmInterpreter* interpreter_;
@@ -445,7 +447,7 @@ class WasmFunctionCompiler : public HandleAndZoneScope,
     function_->func_index = 0;
     function_->sig_index = 0;
     if (mode == kExecuteInterpreted) {
-      interpreter_ = new WasmInterpreter(nullptr, zone()->allocator());
+      interpreter_ = new WasmInterpreter(nullptr, zone());
       int index = interpreter_->AddFunctionForTesting(function_);
       CHECK_EQ(0, index);
     }