[wasm] [cleanup] Remove dead code

R=ahaas@chromium.org

Change-Id: Ife1b4a20e82544dfe2665ef7c438ee9801be75e4
Reviewed-on: https://chromium-review.googlesource.com/472807Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44517}

src/wasm/wasm-module.cc

@@ -782,18 +782,6 @@ static void InstanceFinalizer(const v8::WeakCallbackInfo<void>& data) {
   TRACE("}\n");
 }
 
-std::pair<int, int> GetFunctionOffsetAndLength(
-    Handle<WasmCompiledModule> compiled_module, int func_index) {
-  WasmModule* module = compiled_module->module();
-  if (func_index < 0 ||
-      static_cast<size_t>(func_index) > module->functions.size()) {
-    return {0, 0};
-  }
-  WasmFunction& func = module->functions[func_index];
-  return {static_cast<int>(func.code_start_offset),
-          static_cast<int>(func.code_end_offset - func.code_start_offset)};
-}
-
 int AdvanceSourcePositionTableIterator(SourcePositionTableIterator& iterator,
                                        int offset) {
   DCHECK(!iterator.done());
@@ -957,11 +945,6 @@ WasmInstanceObject* wasm::GetOwningWasmInstance(Code* code) {
   return WasmInstanceObject::cast(cell->value());
 }
 
-int wasm::GetFunctionCodeOffset(Handle<WasmCompiledModule> compiled_module,
-                                int func_index) {
-  return GetFunctionOffsetAndLength(compiled_module, func_index).first;
-}
-
 WasmModule::WasmModule(Zone* owned)
     : owned_zone(owned), pending_tasks(new base::Semaphore(0)) {}
 

src/wasm/wasm-module.h

@@ -427,10 +427,6 @@ V8_EXPORT_PRIVATE Handle<JSArray> GetCustomSections(
     Isolate* isolate, Handle<WasmModuleObject> module, Handle<String> name,
     ErrorThrower* thrower);
 
-// Get the offset of the code of a function within a module.
-int GetFunctionCodeOffset(Handle<WasmCompiledModule> compiled_module,
-                          int func_index);
-
 // Assumed to be called with a code object associated to a wasm module instance.
 // Intended to be called from runtime functions.
 // Returns nullptr on failing to get owning instance.