trace-categories: Add cppgc categories.

To unblock linux-perfetto-rel builds. The events were added
in https://chromium-review.googlesource.com/c/v8/v8/+/2540548
and https://chromium-review.googlesource.com/c/v8/v8/+/2540552.

Change-Id: I48ac0f8612fd95fa555457e68b6e4394862937fa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2560304
Auto-Submit: Eric Seckler <eseckler@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71424}

src/tracing/trace-categories.h

@@ -27,6 +27,7 @@ PERFETTO_DEFINE_TEST_CATEGORY_PREFIXES("v8-cat", "cat", "v8.Test2");
 // List of categories used by built-in V8 trace events.
 // clang-format off
 PERFETTO_DEFINE_CATEGORIES(
+    perfetto::Category("cppgc"),
     perfetto::Category("V8.HandleInterrupts"),
     perfetto::Category("v8"),
     perfetto::Category("v8.console"),
@@ -36,6 +37,7 @@ PERFETTO_DEFINE_CATEGORIES(
     perfetto::Category::Group("devtools.timeline,v8"),
     perfetto::Category::Group("devtools.timeline,"
                               TRACE_DISABLED_BY_DEFAULT("v8.gc")),
+    perfetto::Category(TRACE_DISABLED_BY_DEFAULT("cppgc")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("devtools.timeline")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.compile")),