Remove special handling of wasm scripts based on the SourceMapURL

Get rid of two left-over special-cases for wasm scripts that have (or
don't have) a SourceMapURL attached to them.

Bug: chromium:1013527
Change-Id: I51bab8074011299e6f0d1fd32d93e4cb559bd476
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2013113Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Philip Pfaffe <pfaffe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65914}

src/api/api.cc

@@ -9430,10 +9430,8 @@ int debug::Script::ColumnOffset() const {
 
 std::vector<int> debug::Script::LineEnds() const {
   i::Handle<i::Script> script = Utils::OpenHandle(this);
-  if (script->type() == i::Script::TYPE_WASM &&
-      this->SourceMappingURL().IsEmpty()) {
-    return std::vector<int>();
-  }
+  if (script->type() == i::Script::TYPE_WASM) return std::vector<int>();
+
   i::Isolate* isolate = script->GetIsolate();
   i::HandleScope scope(isolate);
   i::Script::InitLineEnds(script);
@@ -9522,8 +9520,7 @@ bool debug::Script::GetPossibleBreakpoints(
     std::vector<debug::BreakLocation>* locations) const {
   CHECK(!start.IsEmpty());
   i::Handle<i::Script> script = Utils::OpenHandle(this);
-  if (script->type() == i::Script::TYPE_WASM &&
-      this->SourceMappingURL().IsEmpty()) {
+  if (script->type() == i::Script::TYPE_WASM) {
     i::wasm::NativeModule* native_module = script->wasm_native_module();
     return i::WasmScript::GetPossibleBreakpoints(native_module, start, end,
                                                  locations);