[Bindings] Create and use V8 context snapshots

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 6279c3d65737f3744f68a255511a2d2f932cfd82..1393be58c7af85815bd282fcbc69fbdd70063b7b 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -114,10 +114,14 @@ if (!is_android && !is_mac) {
   group("chrome") {
     public_deps = [
       ":chrome_initial",
+      "//gin:v8_context_snapshot_for_blink",
     ]
     data_deps = [
       ":chrome_initial",
     ]
+    data = [
+      "$root_out_dir/context_blob.bin",

[Yuki, 2017/05/30 14:35:55]

super nit: s/context_blob/v8_context_blob/

I think that a term "context" is highly context-dependent.  Would like to avoid
any possible ambiguity.

[peria, 2017/06/01 08:33:32]

Renamed it blink_snapshot_blob.bin.

+    ]
     if (is_win) {
       public_deps += [ ":reorder_imports" ]
     }
@@ -792,6 +796,7 @@ if (is_win) {
   bundle_data("chrome_framework_resources") {
     sources = [
       "$root_out_dir/app_mode_loader.app",
+      "$root_out_dir/context_blob.bin",
 
       # This image is used to badge the lock icon in the
       # authentication dialogs, such as those used for installation
@@ -811,6 +816,7 @@ if (is_win) {
     public_deps = [
       ":packed_resources",
       "//chrome/app_shim:app_mode_loader",
+      "//gin:v8_context_snapshot_for_blink",
     ]
 
     if (is_chrome_branded) {