[wasm] Add crash key for the BytesConsumer debug name

The |BytesConsumer| seems to return an inconsistent public state. Store
the debug name to debug the linked issue.

R=yoavweiss@chromium.org

Bug: chromium:1449546
Change-Id: Id228d59e35dd038222cc92db32f3625d692e9ebf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4640242
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Yoav Weiss <yoavweiss@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1162326}

third_party/blink/renderer/bindings/core/v8/v8_wasm_response_extensions.cc

@@ -4,6 +4,7 @@
 
 #include "third_party/blink/renderer/bindings/core/v8/v8_wasm_response_extensions.h"
 
+#include "base/debug/crash_logging.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/memory/scoped_refptr.h"
 #include "base/metrics/histogram_functions.h"
@@ -256,6 +257,12 @@ class FetchDataLoaderForWasmStreaming final : public FetchDataLoader,
               AbortCompilation("Download cancelled");
               break;
             case BytesConsumer::PublicState::kErrored:
+              // Store the debug name of the BytesConsumer to debug
+              // https://crbug.com/1449546.
+              // TODO(clemensb): Remove this after resolving the issue.
+              static crash_reporter::CrashKeyString<128> detail_key(
+                  "v8-wasm-bytes-consumer-debug-name");
+              detail_key.Set(consumer_->DebugName().Utf8().c_str());
               AbortCompilation("Network error: " +
                                consumer_->GetError().Message());
               break;