Enable PaymentRequest on Android by default.

content/public/common/content_features.cc

Index: content/public/common/content_features.cc
diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
index 31d7aefcd42a438a13aaf29edcb7ea011fb83365..25e78304c5a0254b64bb93a238348e0035665b47 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -151,6 +151,10 @@ const base::Feature kAutoplayMutedVideos{"AutoplayMutedVideos",
 // with Blink data.
 const base::Feature kImeThread{"ImeThread", base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Web payments API.
+const base::Feature kPaymentRequest{"PaymentRequest",

[nasko, 2016/07/18 23:37:42]

"Web payments API" seems a bit far off from "PaymentRequest". Shouldn't we be
naming the features based on their actual feature name and not implementation
details?

[please use gerrit instead, 2016/07/19 00:23:23]

Changed to kWebPayments.

+                                    base::FEATURE_ENABLED_BY_DEFAULT};
+
 // FeatureList definition for the Seccomp field trial.
 const base::Feature kSeccompSandboxAndroid{"SeccompSandboxAndroid",
                                            base::FEATURE_DISABLED_BY_DEFAULT};