[Content] Allow V8ValueConverter to convert -0 to an integer

content/child/v8_value_converter_impl.h

Index: content/child/v8_value_converter_impl.h
diff --git a/content/child/v8_value_converter_impl.h b/content/child/v8_value_converter_impl.h
index 0cc996e45f3c8b3aaaf6ce28fc80aede7d49e81f..1fbc98927638f6cd56ec64703d14ea3b79c1c527 100644
--- a/content/child/v8_value_converter_impl.h
+++ b/content/child/v8_value_converter_impl.h
@@ -30,6 +30,7 @@ class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
   void SetRegExpAllowed(bool val) override;
   void SetFunctionAllowed(bool val) override;
   void SetStripNullFromObjects(bool val) override;
+  void SetConvertNegativeZeroToInt(bool val) override;
   void SetStrategy(Strategy* strategy) override;
   v8::Local<v8::Value> ToV8Value(
       const base::Value* value,
@@ -87,6 +88,9 @@ class CONTENT_EXPORT V8ValueConverterImpl : public V8ValueConverter {
   // into Values.
   bool strip_null_from_objects_;
 
+  // If true, convert -0 to an integer value (instead of a double).
+  bool convert_negative_zero_to_int_;
+
   bool avoid_identity_hash_for_testing_;
 
   // Strategy object that changes the converter's behavior.