Fix category for fonts whitelisted events

These events got moved to the "fonts" category.
They are currently dropped and not visible in slow-report traces.

R=oysteine@chromium.org

Bug: 867931
Change-Id: I8940165b5196f074cac9735057ff60b129015cef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1758340Reviewed-by: oysteine <oysteine@chromium.org>
Commit-Queue: Etienne Bergeron <etienneb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688615}

services/tracing/public/cpp/trace_event_args_whitelist.cc

@@ -52,6 +52,8 @@ const WhitelistEntry kEventArgsWhitelist[] = {
     {"base", "ScopedBlockingCall*", kScopedBlockingCallAllowedArgs},
     {"benchmark", "TestWhitelist*", nullptr},
     {"browser", "KeyedServiceFactory::GetServiceForContext", nullptr},
+    {"fonts", "CachedFontLinkSettings::GetLinkedFonts", nullptr},
+    {"fonts", "QueryLinkedFontsFromRegistry", nullptr},
     {"GPU", "*", kGPUAllowedArgs},
     {"ipc", "GpuChannelHost::Send", nullptr},
     {"ipc", "SyncChannel::Send", nullptr},
@@ -68,10 +70,8 @@ const WhitelistEntry kEventArgsWhitelist[] = {
     {TRACE_DISABLED_BY_DEFAULT("memory-infra"), "*", kMemoryDumpAllowedArgs},
     {TRACE_DISABLED_BY_DEFAULT("system_stats"), "*", nullptr},
     {TRACE_DISABLED_BY_DEFAULT("v8.gc"), "*", kV8GCAllowedArgs},
-    {"ui", "CachedFontLinkSettings::GetLinkedFonts", nullptr},
     {"ui", "RenderTextHarfBuzz::GetFallbackFonts",
      kGetFallbackFontsAllowedArgs},
-    {"ui", "QueryLinkedFontsFromRegistry", nullptr},
     {"ui", "UserEvent", nullptr},
     {TRACE_DISABLED_BY_DEFAULT("toplevel.flow"), "SequenceManager::PostTask",
      kTopLevelFlowAllowedArgs},