Mikhail Khokhlov 224cbd2179 [Tracing w/SDK] Replace TraceStateObserver with TrackEventSessionObserver ... With v8_use_perfetto = true, tracing sessions are controlled by Perfetto, not TraceLog. This can lead to inconsistencies, e.g. TraceLog signalling trace start while V8's TrackEvent datasource hasn't been initialized yet. This CL removes the TraceStateObserver interface and replaces its uses with perfetto::TrackEventSessionObserver which correctly tracks Perfetto tracing sessions start and end. See also crrev.com/c/4066184 for the corresponding Chrome change. Bug: chromium:1006766 Change-Id: I94b2189c8b28aec8b17ec8fc1246e27c904e4ee9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4062038 Reviewed-by: Camillo Bruni <cbruni@chromium.org> Commit-Queue: Mikhail Khokhlov <khokhlov@google.com> Cr-Commit-Position: refs/heads/main@{#84590}		2022-12-01 11:18:24 +00:00
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DEPS	[tracing] Migrate tracing to Perfetto track events	2020-04-17 21:31:24 +00:00
DIR_METADATA	Add DIR_METADATA files to v8.	2020-10-20 22:12:28 +00:00
OWNERS	Update OWNERS in src/*	2021-02-25 14:22:51 +00:00
trace-categories.cc	[tracing] Migrate tracing to Perfetto track events	2020-04-17 21:31:24 +00:00
trace-categories.h	Add missing trace category group to trace-categories.h	2022-01-12 19:47:55 +00:00
trace-event.cc	[logging] Add runtime-call-stats compile-time flag	2021-04-12 15:53:03 +00:00
trace-event.h	Fix includes of base/platform/wrappers.h	2022-09-06 19:24:55 +00:00
traced-value.cc	[base] Move utils/vector.h to base/vector.h	2021-06-18 13:33:13 +00:00
traced-value.h	[cleanup] Remove uses of DISALLOW_COPY_AND_ASSIGN	2020-11-25 01:46:32 +00:00
tracing-category-observer.cc	[Tracing w/SDK] Replace TraceStateObserver with TrackEventSessionObserver	2022-12-01 11:18:24 +00:00
tracing-category-observer.h	[Tracing w/SDK] Replace TraceStateObserver with TrackEventSessionObserver	2022-12-01 11:18:24 +00:00