[Impeller] Delete the archivist framework. (#50474)

It is unused and can be brought back from Git if needed. This unnecessarily adds to binary size estimates on standalone Impeller investigations.

ci/licenses_golden/excluded_files

@@ -132,7 +132,6 @@
 ../../../flutter/impeller/aiks/canvas_unittests.cc
 ../../../flutter/impeller/aiks/testing
 ../../../flutter/impeller/aiks/trace_serializer_unittests.cc
-../../../flutter/impeller/archivist/archivist_unittests.cc
 ../../../flutter/impeller/base/README.md
 ../../../flutter/impeller/base/base_unittests.cc
 ../../../flutter/impeller/compiler/README.md

ci/licenses_golden/licenses_flutter

@@ -4961,24 +4961,6 @@ ORIGIN: ../../../flutter/impeller/aiks/picture_recorder.cc + ../../../flutter/LI
 ORIGIN: ../../../flutter/impeller/aiks/picture_recorder.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/aiks/trace_serializer.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/aiks/trace_serializer.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archivable.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archivable.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_class_registration.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_class_registration.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_database.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_database.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_location.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_location.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_statement.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_statement.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_transaction.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_transaction.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_vector.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archive_vector.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archivist_fixture.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/archivist/archivist_fixture.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/base/allocation.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/base/allocation.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/base/backend_cast.h + ../../../flutter/LICENSE
@@ -7818,24 +7800,6 @@ FILE: ../../../flutter/impeller/aiks/picture_recorder.cc
 FILE: ../../../flutter/impeller/aiks/picture_recorder.h
 FILE: ../../../flutter/impeller/aiks/trace_serializer.cc
 FILE: ../../../flutter/impeller/aiks/trace_serializer.h
-FILE: ../../../flutter/impeller/archivist/archivable.cc
-FILE: ../../../flutter/impeller/archivist/archivable.h
-FILE: ../../../flutter/impeller/archivist/archive.cc
-FILE: ../../../flutter/impeller/archivist/archive.h
-FILE: ../../../flutter/impeller/archivist/archive_class_registration.cc
-FILE: ../../../flutter/impeller/archivist/archive_class_registration.h
-FILE: ../../../flutter/impeller/archivist/archive_database.cc
-FILE: ../../../flutter/impeller/archivist/archive_database.h
-FILE: ../../../flutter/impeller/archivist/archive_location.cc
-FILE: ../../../flutter/impeller/archivist/archive_location.h
-FILE: ../../../flutter/impeller/archivist/archive_statement.cc
-FILE: ../../../flutter/impeller/archivist/archive_statement.h
-FILE: ../../../flutter/impeller/archivist/archive_transaction.cc
-FILE: ../../../flutter/impeller/archivist/archive_transaction.h
-FILE: ../../../flutter/impeller/archivist/archive_vector.cc
-FILE: ../../../flutter/impeller/archivist/archive_vector.h
-FILE: ../../../flutter/impeller/archivist/archivist_fixture.cc
-FILE: ../../../flutter/impeller/archivist/archivist_fixture.h
 FILE: ../../../flutter/impeller/base/allocation.cc
 FILE: ../../../flutter/impeller/base/allocation.h
 FILE: ../../../flutter/impeller/base/backend_cast.h

impeller/BUILD.gn

@@ -56,7 +56,6 @@ config("impeller_public_config") {
 
 group("impeller") {
   public_deps = [
-    "archivist",
     "base",
     "geometry",
     "tessellator",
@@ -81,7 +80,6 @@ impeller_component("impeller_unittests") {
   testonly = true
 
   deps = [
-    "archivist:archivist_unittests",
     "base:base_unittests",
     "compiler:compiler_unittests",
     "core:allocator_unittests",

impeller/README.md

@@ -60,12 +60,6 @@ states of completion:
       for a specific client rendering API. The interfaces in these targets are
       meant to be private for non-WSI user targets. No Impeller sub-frameworks
       may depend on these targets.
-* **`//impeller/archivist`**: Allows persisting objects to disk as performantly
-  as possible (usually on a background thread). The framework is meant to be
-  used for storing frame meta-data and related profiling/instrumentation
-  information. Collection of information should succeed despite process crashes
-  and retrieval of traces must not use inordinate amounts of time or memory
-  (which usually leads to crashes).
 * **`//impeller/geometry`**: All (or, most of) the math! This C++ mathematics
   library is used extensively by Impeller and its clients. The reasonably
   interesting bit about this library is that all types can be used