Sync SerializedScriptValue::wireFormatVersion with V8ScriptValueSerializer.

third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
index fd55ed11e479271bd23f6e1a21e148ba2d7704fd..a2482f12b791b59af4a494b06cf2c898e49c9da9 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
@@ -71,7 +71,9 @@ class CORE_EXPORT SerializedScriptValue
   // Version 8: File.lastModified in milliseconds (seconds-based in earlier
   //            versions.)
   // Version 9: Added Map and Set support.
-  static const uint32_t wireFormatVersion = 9;
+  // [versions skipped]
+  // Version 16: Separate versioning between V8 and Blink.
+  static const uint32_t wireFormatVersion = 16;
 
   struct SerializeOptions {
     STACK_ALLOCATED();