Remove V8_INLINE to prevent C4714 warning under Win64.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 50480b81ae19f350cb3adba7478997f1d2448450..f14deb1f17f6b997ff3454ed83a191de121bf2b6 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -814,7 +814,7 @@ class UniquePersistent : public PersistentBase<T> {
   /**
    * Pass allows returning uniques from functions, etc.
    */
-  V8_INLINE UniquePersistent Pass() { return UniquePersistent(RValue(this)); }
+  UniquePersistent Pass() { return UniquePersistent(RValue(this)); }
 
  private:
   UniquePersistent(UniquePersistent&);