[Bindings] Create and use V8 context snapshots

third_party/WebKit/Source/web/WebKit.cpp

Index: third_party/WebKit/Source/web/WebKit.cpp
diff --git a/third_party/WebKit/Source/web/WebKit.cpp b/third_party/WebKit/Source/web/WebKit.cpp
index e87484f4b15c60d17ed13a6c161e3d9b9a2cb6a7..eda65233f6ff2080d4a90fd563b06f7269ca0e56 100644
--- a/third_party/WebKit/Source/web/WebKit.cpp
+++ b/third_party/WebKit/Source/web/WebKit.cpp
@@ -35,6 +35,7 @@
 #include "bindings/core/v8/V8BindingForCore.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8Initializer.h"
+#include "bindings/modules/v8/V8SnapshotReference.h"
 #include "core/animation/AnimationClock.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/page/Page.h"
@@ -80,7 +81,8 @@ static ModulesInitializer& GetModulesInitializer() {
 void Initialize(Platform* platform) {
   Platform::Initialize(platform);
 
-  V8Initializer::InitializeMainThread();
+  V8Initializer::InitializeMainThread(
+      V8SnapshotReference::getExternalReferences());
 
   GetModulesInitializer().Initialize();