Remove lifecycle tracing from benchmarks.

Bug: 972254
Change-Id: Idfd5c2d3ba274ba4bac00ae01f4235d6d63a994e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1654514Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#668587}

third_party/blink/renderer/core/frame/local_frame_view.cc

@@ -2200,7 +2200,7 @@ bool LocalFrameView::UpdateLifecyclePhases(
   ++lifecycle_data_.count;
 
   {
-    TRACE_EVENT0("blink,benchmark", "LocalFrameView::WillStartLifecycleUpdate");
+    TRACE_EVENT0("blink", "LocalFrameView::WillStartLifecycleUpdate");
 
     ForAllNonThrottledLocalFrameViews([](LocalFrameView& frame_view) {
       auto lifecycle_observers = frame_view.lifecycle_observers_;
@@ -2221,7 +2221,7 @@ bool LocalFrameView::UpdateLifecyclePhases(
   UpdateLifecyclePhasesInternal(target_state);
 
   {
-    TRACE_EVENT0("blink,benchmark", "LocalFrameView::DidFinishLifecycleUpdate");
+    TRACE_EVENT0("blink", "LocalFrameView::DidFinishLifecycleUpdate");
 
     ForAllNonThrottledLocalFrameViews([](LocalFrameView& frame_view) {
       auto lifecycle_observers = frame_view.lifecycle_observers_;