Adds option for JSON reader to allow invalid utf characters

base/json/json_reader.h

Index: base/json/json_reader.h
diff --git a/base/json/json_reader.h b/base/json/json_reader.h
index a954821a288d690648457ae4c250a2a45ba0a4b1..00615feab900042885e45b8663a0652e7fb022a8 100644
--- a/base/json/json_reader.h
+++ b/base/json/json_reader.h
@@ -55,6 +55,11 @@ enum JSONParserOptions {
   // if the child is Remove()d from root, it would result in use-after-free
   // unless it is DeepCopy()ed or this option is used.
   JSON_DETACHABLE_CHILDREN = 1 << 1,
+
+  // If set the parser replaces invalid characters with
+  // kUnicodeReplacementString. If not set, invalid characters trigger a hard

[brettw, 2016/11/10 20:35:40]

This isn't a global constant so it's weird to refer to it here in the public
API. Maybe just say the "Unicode replacement character (U+FFFD)"

[sky, 2016/11/10 23:01:47]

Done.

+  // error and parsing fails.
+  JSON_REPLACE_INVALID_CHARACTERS = 1 << 2,
 };
 
 class BASE_EXPORT JSONReader {