deps: update V8 to 5.4.500.27

Pick up latest commit from the 5.4-lkgr branch.

deps: edit V8 gitignore to allow trace event copy
deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8
deps: edit V8 gitignore to allow gtest_prod.h copy
deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87

PR-URL: #8317
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Ali Ijaz Sheikh <[email protected]>

Author: targos

deps/v8/.gitignore

@@ -40,15 +40,13 @@ gcsuspects
 shell
 shell_g
 /_*
-/build/Debug
-/build/gyp
-/build/ipch
-/build/Release
-/build/win_toolchain.json
+/build
+/gypfiles/win_toolchain.json
 /buildtools
 /hydrogen.cfg
 /obj
 /out
+/out.gn
 /perf.data
 /perf.data.old
 /test/benchmarks/data
@@ -59,20 +57,35 @@ shell_g
 /test/simdjs/data
 /test/test262/data
 /test/test262/data.tar
+/test/test262/harness
 /testing/gmock
-/testing/gtest
+/testing/gtest/*
+!/testing/gtest/include
+/testing/gtest/include/*
+!/testing/gtest/include/gtest
+/testing/gtest/include/gtest/*
+!/testing/gtest/include/gtest/gtest_prod.h
 /third_party
+/third_party/android_tools
+/third_party/cygwin
 /third_party/icu
+/third_party/instrumented_libraries
+/third_party/inspector_protocol
+/third_party/jinga2
 /third_party/llvm
 /third_party/llvm-build
+/third_party/markupsafe
+/third_party/WebKit
 /tools/clang
 /tools/gcmole/gcmole-tools
 /tools/gcmole/gcmole-tools.tar.gz
+/tools/gyp
 /tools/jsfunfuzz/jsfunfuzz
 /tools/jsfunfuzz/jsfunfuzz.tar.gz
 /tools/luci-go/linux64/isolate
 /tools/luci-go/mac64/isolate
 /tools/luci-go/win64/isolate.exe
+/tools/mb
 /tools/oom_dump/oom_dump
 /tools/oom_dump/oom_dump.o
 /tools/swarming_client
@@ -86,7 +99,9 @@ GTAGS
 GRTAGS
 GSYMS
 GPATH
+tags
 gtags.files
 turbo*.cfg
 turbo*.dot
 turbo*.json
+v8.ignition_dispatches_table.json

deps/v8/.gn

@@ -0,0 +1,51 @@
+# This file is used by the GN meta build system to find the root of the source
+# tree and to set startup options. For documentation on the values set in this
+# file, run "gn help dotfile" at the command line.
+
+# The location of the build configuration file.
+buildconfig = "//build/config/BUILDCONFIG.gn"
+
+# The secondary source root is a parallel directory tree where
+# GN build files are placed when they can not be placed directly
+# in the source tree, e.g. for third party source trees.
+secondary_source = "//build/secondary/"
+
+# These are the targets to check headers for by default. The files in targets
+# matching these patterns (see "gn help label_pattern" for format) will have
+# their includes checked for proper dependencies when you run either
+# "gn check" or "gn gen --check".
+check_targets = [
+]
+
+# These are the list of GN files that run exec_script. This whitelist exists
+# to force additional review for new uses of exec_script, which is strongly
+# discouraged except for gypi_to_gn calls.
+exec_script_whitelist = [
+  "//build/config/android/BUILD.gn",
+  "//build/config/android/config.gni",
+  "//build/config/android/internal_rules.gni",
+  "//build/config/android/rules.gni",
+  "//build/config/BUILD.gn",
+  "//build/config/compiler/BUILD.gn",
+  "//build/config/gcc/gcc_version.gni",
+  "//build/config/ios/ios_sdk.gni",
+  "//build/config/linux/atk/BUILD.gn",
+  "//build/config/linux/BUILD.gn",
+  "//build/config/linux/pkg_config.gni",
+  "//build/config/mac/mac_sdk.gni",
+  "//build/config/posix/BUILD.gn",
+  "//build/config/sysroot.gni",
+  "//build/config/win/BUILD.gn",
+  "//build/config/win/visual_studio_version.gni",
+  "//build/gn_helpers.py",
+  "//build/gypi_to_gn.py",
+  "//build/toolchain/concurrent_links.gni",
+  "//build/toolchain/gcc_toolchain.gni",
+  "//build/toolchain/mac/BUILD.gn",
+  "//build/toolchain/win/BUILD.gn",
+  "//build/util/branding.gni",
+  "//build/util/version.gni",
+  "//test/cctest/BUILD.gn",
+  "//test/test262/BUILD.gn",
+  "//test/unittests/BUILD.gn",
+]

deps/v8/AUTHORS

@@ -40,6 +40,7 @@ Alexis Campailla <[email protected]>
 Andreas Anyuru <[email protected]>
 Andrew Paprocki <[email protected]>
 Andrei Kashcha <[email protected]>
+Anna Henningsen <[email protected]>
 Bangfu Tao <[email protected]>
 Ben Noordhuis <[email protected]>
 Benjamin Tan <[email protected]>
@@ -50,7 +51,9 @@ Craig Schlenter <[email protected]>
 Chris Nardi <[email protected]>
 Christopher A. Taylor <[email protected]>
 Daniel Andersson <[email protected]>
+Daniel Bevenius <[email protected]>
 Daniel James <[email protected]>
+Deon Dior <[email protected]>
 Douglas Crosher <[email protected]>
 Dusan Milosavljevic <[email protected]>
 Erich Ocean <[email protected]>
@@ -62,6 +65,7 @@ Franziska Hinkelmann <[email protected]>
 Geoffrey Garside <[email protected]>
 Han Choongwoo <[email protected]>
 Hirofumi Mako <[email protected]>
+Honggyu Kim <[email protected]>
 Ioseb Dzmanashvili <[email protected]>
 Isiah Meadows <[email protected]>
 Jan de Mooij <[email protected]>
@@ -85,11 +89,13 @@ Matthew Sporleder <[email protected]>
 Maxim Mossienko <[email protected]>
 Michael Lutz <[email protected]>
 Michael Smith <[email protected]>
+Michaël Zasso <[email protected]>
 Mike Gilbert <[email protected]>
 Mike Pennisi <[email protected]>
 Milton Chiang <[email protected]>
 Myeong-bo Shim <[email protected]>
 Nicolas Antonius Ernst Leopold Maria Kaiser <[email protected]>
+Oleksandr Chekhovskyi <[email protected]>
 Paolo Giarrusso <[email protected]>
 Patrick Gansterer <[email protected]>
 Peter Varga <[email protected]>
@@ -113,4 +119,4 @@ Vladimir Shutoff <[email protected]>
 Yu Yin <[email protected]>
 Zac Hansen <[email protected]>
 Zhongping Wang <[email protected]>
-柳荣一 <[email protected]>
+柳荣一 <[email protected]>