Fix the spelling of background was "backgroud"

Noticed this while testing triggers. :)

Change-Id: Ib12f289bdc3bbf9cd96516c4f32d16b257102345
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1787323
Commit-Queue: Stephen Nusko <nuskos@chromium.org>
Reviewed-by: Stephen Nusko <nuskos@chromium.org>
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Auto-Submit: Stephen Nusko <nuskos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#693855}

content/browser/tracing/background_tracing_active_scenario.cc

@@ -480,7 +480,7 @@ void BackgroundTracingActiveScenario::AbortScenario() {
     // send a trigger into the system tracing so that we can tell the time the
     // scenario stopped.
     tracing::PerfettoTracedProcess::Get()->ActivateSystemTriggers(
-        {"org.chromium.bg_tracing.scenario_aborted"});
+        {"org.chromium.background_tracing.scenario_aborted"});
   } else {
     // Setting the kAborted state will cause |this| to be destroyed.
     SetState(State::kAborted);

content/browser/tracing/background_tracing_manager_browsertest.cc

@@ -1716,7 +1716,7 @@ IN_PROC_BROWSER_TEST_F(BackgroundTracingManagerBrowserTest,
 
   //  ******************** Start System trace **********************
   perfetto::TraceConfig trace_config =
-      StopTracingTriggerConfig("org.chromium.backgroud_tracing.system_test");
+      StopTracingTriggerConfig("org.chromium.background_tracing.system_test");
   base::RunLoop system_no_more_packets_runloop;
   auto system_consumer = CreateDefaultConsumer(std::move(trace_config),
                                                system_service->GetService(),

content/browser/tracing/background_tracing_rule.cc

@@ -178,7 +178,7 @@ class NamedTriggerRule : public BackgroundTracingRule {
 
  protected:
   std::string GetDefaultRuleId() const override {
-    return base::StrCat({"org.chromium.backgroud_tracing.", named_event_});
+    return base::StrCat({"org.chromium.background_tracing.", named_event_});
   }
 
  private:
@@ -332,7 +332,7 @@ class HistogramRule : public BackgroundTracingRule,
 
  protected:
   std::string GetDefaultRuleId() const override {
-    return base::StrCat({"org.chromium.backgroud_tracing.", histogram_name_});
+    return base::StrCat({"org.chromium.background_tracing.", histogram_name_});
   }
 
  private:
@@ -383,7 +383,7 @@ class TraceForNSOrTriggerOrFullRule : public BackgroundTracingRule {
 
  protected:
   std::string GetDefaultRuleId() const override {
-    return base::StrCat({"org.chromium.backgroud_tracing.", named_event_});
+    return base::StrCat({"org.chromium.background_tracing.", named_event_});
   }
 
  private: