arc: enable Android tracing in verified-boot mode

chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc

Index: chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc
diff --git a/chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc b/chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc
index b45a4e1ea2e4a5aa8a1af3753faa1b7ba0b359ff..b82ef44d00414e242ccdc0581717685e78e1a96b 100644
--- a/chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc
+++ b/chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc
@@ -10,6 +10,7 @@
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_service_manager.h"
 #include "content/public/browser/browser_thread.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 
 namespace arc {
 
@@ -68,6 +69,7 @@ void ArcTracingBridge::OnCategoriesReady(
 
 void ArcTracingBridge::StartTracing(
     const base::trace_event::TraceConfig& trace_config,
+    base::ScopedFD write_fd,
     const StartTracingCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
@@ -87,7 +89,9 @@ void ArcTracingBridge::StartTracing(
       selected_categories.push_back(category.name);
   }
 
-  tracing_instance->StartTracing(selected_categories, callback);
+  tracing_instance->StartTracing(selected_categories,
+                                 mojo::WrapPlatformFile(write_fd.release()),
+                                 callback);
 }
 
 void ArcTracingBridge::StopTracing(const StopTracingCallback& callback) {