[wasm] Remove override-ability from async compile and instantiate.

We're now using explicit APIs.

Bug: 
Change-Id: I4a4248e44543f6e7dfcbdc66456e610fb98ff5ee
Reviewed-on: https://chromium-review.googlesource.com/513406
Commit-Queue: Brad Nelson <bradnelson@chromium.org>
Reviewed-by: Brad Nelson <bradnelson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45500}

src/wasm/wasm-js.cc

@@ -170,7 +170,6 @@ void WebAssemblyCompile(const v8::FunctionCallbackInfo<v8::Value>& args) {
   v8::Isolate* isolate = args.GetIsolate();
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   MicrotasksScope runs_microtasks(isolate, MicrotasksScope::kRunMicrotasks);
-  if (i_isolate->wasm_compile_callback()(args)) return;
 
   HandleScope scope(isolate);
   ErrorThrower thrower(i_isolate, "WebAssembly.compile()");
@@ -424,7 +423,6 @@ void WebAssemblyInstantiate(const v8::FunctionCallbackInfo<v8::Value>& args) {
   v8::Isolate* isolate = args.GetIsolate();
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   MicrotasksScope runs_microtasks(isolate, MicrotasksScope::kRunMicrotasks);
-  if (i_isolate->wasm_instantiate_callback()(args)) return;
 
   ErrorThrower thrower(i_isolate, "WebAssembly.instantiate()");
 

test/mjsunit/wasm/compilation-limits.js

@@ -65,45 +65,10 @@ async function FailSyncInstantiate() {
   }
 }
 
-async function FailAsyncCompile() {
-  print("FailAsyncCompile...");
-  %SetWasmCompileControls(buffer.byteLength - 1, false);
-  assertThrows(() => new WebAssembly.Module(buffer), RangeError);
-
-  print("  wait");
-  try {
-    let m = await WebAssembly.compile(buffer);
-    print("  cont");
-    assertUnreachable();
-  } catch (e) {
-    print("  catch: " + e);
-    assertTrue(e instanceof RangeError);
-  }
-}
-
-async function FailAsyncInstantiate() {
-  print("FailAsyncInstantiate...");
-  %SetWasmCompileControls(buffer.byteLength - 1, false);
-  assertThrows(() => new WebAssembly.Instance(buffer), RangeError);
-
-  print("  wait");
-  try {
-    let m = await WebAssembly.instantiate(buffer);
-    print("  cont");
-    assertUnreachable();
-  } catch (e) {
-    print("  catch: " + e);
-    assertTrue(e instanceof RangeError);
-  }
-}
-
-
 async function TestAll() {
   await SuccessfulTest();
   await FailSyncCompile();
   await FailSyncInstantiate();
-  await FailAsyncCompile();
-  await FailAsyncInstantiate();
 }
 
 assertPromiseResult(TestAll());