Add AllowNetworkPrediction preference name and enum.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index ab0b57d7afc11cb0ed5514d23b36fe4714f89d73..87d4942e0350308b85487b4181687d39adfbc32c 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -503,8 +503,17 @@ const char kMultipleProfilePrefMigration[] =
 // of web pages, and resource prefetching.
 // NOTE: The "dns_prefetching.enabled" value is used so that historical user
 // preferences are not lost.
+// TODO(bnc): Remove kNetworkPredictionEnabled once kAllowNetworkPrediction is
+// functioning as per crbug.com/334602.
 const char kNetworkPredictionEnabled[] = "dns_prefetching.enabled";
 
+// A preference of enum chrome_browser_net::NetworkPredictionOptions shows
+// if prediction of network actions is allowed, depending on network type.
+// Actions include DNS prefetching, TCP and SSL preconnection, prerendering
+// of web pages, and resource prefetching.
+// TODO(bnc): Implement this preference as per crbug.com/334602.
+const char kAllowNetworkPrediction[] = "allow-network-prediction";

[mmenke, 2014/06/20 14:48:28]

nit:  Looks like underscores are much more common in names than dashes.

[mmenke, 2014/06/20 14:48:28]

Should this start with "settings."?  I'm not sure if there's a clear distinction
between what starts with "settings" and what does not, in this file, but I'm
assuming it will appear on the settings screen.

[Bence, 2014/06/20 15:13:55]

Done.

[Bence, 2014/06/20 15:13:55]

Good call.  After looking at all the categories, I propose to put this in
"net.".

+
 // An integer representing the state of the default apps installation process.
 // This value is persisted in the profile's user preferences because the process
 // is async, and the user may have stopped chrome in the middle.  The next time