Support optional arguments in SendRequestNatives::StartRequest

content/public/renderer/v8_value_converter.h

Index: content/public/renderer/v8_value_converter.h
diff --git a/content/public/renderer/v8_value_converter.h b/content/public/renderer/v8_value_converter.h
index 6e785c143a070ea4c0d5e5a639380a128b178efc..1f4c5166e4e7bed43a394c0ddcce0cd28561557c 100644
--- a/content/public/renderer/v8_value_converter.h
+++ b/content/public/renderer/v8_value_converter.h
@@ -28,6 +28,17 @@ class CONTENT_EXPORT V8ValueConverter {
 
   virtual ~V8ValueConverter() {}
 
+  // Use the following setters to support additional types other than the
+  // default ones.
+  virtual bool AllowUndefined() const = 0;
+  virtual void SetAllowUndefined(bool val) = 0;
+
+  virtual bool AllowDate() const = 0;
+  virtual void SetAllowDate(bool val) = 0;
+
+  virtual bool AllowRegexp() const = 0;
+  virtual void SetAllowRegexp(bool val) = 0;
+
   // Converts Value to v8::Value. Unsupported types are replaced with null.
   // If an array or object throws while setting a value, that property or item
   // is skipped, leaving a hole in the case of arrays.