[Bindings] Create and use V8 context snapshots

extensions/shell/BUILD.gn

Index: extensions/shell/BUILD.gn
diff --git a/extensions/shell/BUILD.gn b/extensions/shell/BUILD.gn
index 31e941770c490df115e9c788b78073e52329eb84..a33a2949e2eb4742708c261e6da349fae22cd4c9 100644
--- a/extensions/shell/BUILD.gn
+++ b/extensions/shell/BUILD.gn
@@ -8,6 +8,7 @@ import("//build/util/process_version.gni")
 import("//extensions/features/features.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
+import("//v8/snapshot_toolchain.gni")
 if (is_mac) {
   import("//build/config/mac/rules.gni")
   import("//third_party/icu/config.gni")
@@ -325,11 +326,13 @@ if (is_mac) {
   bundle_data("app_shell_framework_resources") {
     sources = [
       "$root_gen_dir/extensions/shell/app_shell_resources.pak",
+      "$root_out_dir/context_blob.bin",
       "$root_out_dir/extensions_shell_and_test.pak",
     ]
     public_deps = [
       ":resources_grit",
       "//extensions:shell_and_test_pak",
+      "//gin:run_gin_blink_snapshot($v8_snapshot_toolchain)",
     ]
     if (icu_use_data_file) {
       sources += [ "$root_out_dir/icudtl.dat" ]