Suppress exceptions due to exception meta-data

Associating exception meta-data may throw an exception if the
browser is under memory pressure. This CL adds a try-catch
scope to prevent surfacing of said exceptions in Chrome.

Bug: chromium:1226360
Change-Id: Ide969273b2ac6dc109370ba2adcb20586ef30bff
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3008214Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75580}

src/inspector/v8-console-message.cc

@@ -402,6 +402,7 @@ V8ConsoleMessage::getAssociatedExceptionData(
       inspector->getAssociatedExceptionData(exception);
   v8::Local<v8::Object> data;
   if (!maybe_data.ToLocal(&data)) return nullptr;
+  v8::TryCatch tryCatch(isolate);
   v8::MicrotasksScope microtasksScope(isolate,
                                       v8::MicrotasksScope::kDoNotRunMicrotasks);
   v8::Context::Scope contextScope(context);

src/inspector/v8-inspector-impl.cc

@@ -512,6 +512,7 @@ bool V8InspectorImpl::associateExceptionData(v8::Local<v8::Context>,
   }
   v8::Local<v8::Context> context;
   if (!exceptionMetaDataContext().ToLocal(&context)) return false;
+  v8::TryCatch tryCatch(m_isolate);
   v8::Context::Scope contextScope(context);
   v8::HandleScope handles(m_isolate);
   if (m_exceptionMetaData.IsEmpty())