Implement an API to allow passing an "ap" parameter to component updates.

components/update_client/utils.h

Index: components/update_client/utils.h
diff --git a/components/update_client/utils.h b/components/update_client/utils.h
index af353f76d67634f33c7aac80d9d7c0bf357c574d..1a086060185aca0d0533575df0bbe443ba1f5375 100644
--- a/components/update_client/utils.h
+++ b/components/update_client/utils.h
@@ -99,6 +99,9 @@ bool VerifyFileHash256(const base::FilePath& filepath,
 // Returns true if the |brand| parameter matches ^([a-zA-Z]{4})?$ .
 bool IsValidBrand(const std::string& brand);
 
+// Returns true if the |ap| parameter matches ^([-+_=a-zA-Z0-9]{0,256})$ .

[waffles, 2016/04/08 21:06:16]

Nit: no need for parens.

[Sorin Jianu, 2016/04/08 21:13:42]

Done.

+bool IsValidAp(const std::string& ap);
+
 // Removes the unsecure urls in the |urls| parameter.
 void RemoveUnsecureUrls(std::vector<GURL>* urls);