Use aggregated bindings for jumbo as well as for Windows.

third_party/WebKit/Source/bindings/core/v8/BUILD.gn

Index: third_party/WebKit/Source/bindings/core/v8/BUILD.gn
diff --git a/third_party/WebKit/Source/bindings/core/v8/BUILD.gn b/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
index 4d57a5e94a319b57824e57fe0e13348beea69e95..2ce65e6af226379d07cbfad9c94be08e4656f235 100644
--- a/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
+++ b/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
@@ -111,7 +111,7 @@ generated_core_callback_function_files = [
   "$bindings_core_v8_output_dir/ResizeObserverCallback.h",
 ]
 
-if (is_win) {
+if (is_win || use_jumbo_build) {
   # On Windows Official release builds, we try to preserve symbol space.
   bindings_core_generated_interface_files =
       [ "$bindings_core_v8_output_dir/V8GeneratedCoreBindings.cpp" ]
@@ -129,7 +129,7 @@ group("bindings_core_v8_generated") {
   public_deps = [
     ":bindings_core_impl_generated",
   ]
-  if (is_win) {
+  if (is_win || use_jumbo_build) {
     public_deps += [ ":generate_bindings_core_v8_all_interfaces" ]
   } else {
     public_deps += [ ":generate_bindings_core_v8_interfaces" ]