[NTP::Push] Adding BreakingNewsSuggestionsProvider

components/ntp_snippets/breaking_news/subscription_manager.cc

Index: components/ntp_snippets/breaking_news/subscription_manager.cc
diff --git a/components/ntp_snippets/breaking_news/subscription_manager.cc b/components/ntp_snippets/breaking_news/subscription_manager.cc
index 8f7dbc9a5b3f6f399f4fa12af234b4ab7530c5f3..d3b9cd6ccb259bef68738022f2efa8f235880bec 100644
--- a/components/ntp_snippets/breaking_news/subscription_manager.cc
+++ b/components/ntp_snippets/breaking_news/subscription_manager.cc
@@ -5,6 +5,7 @@
 #include "components/ntp_snippets/breaking_news/subscription_manager.h"
 #include "base/bind.h"
 #include "components/ntp_snippets/breaking_news/subscription_json_request.h"
+#include "components/ntp_snippets/ntp_snippets_constants.h"
 #include "components/ntp_snippets/pref_names.h"
 #include "components/prefs/pref_service.h"
 
@@ -62,4 +63,26 @@ void SubscriptionManager::RegisterProfilePrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(prefs::kContentSuggestionsSubscriptionDataToken,
                                std::string());
 }
+
+GURL GetPushUpdatesSubscriptionEndpoint(version_info::Channel channel) {
+  // TODO(mamir) do we need this?

[sfiera, 2017/06/07 13:58:15]

I like having a param :) When I'm working, I use alpha as the backend, instead
of prod/staging, so I can develop against the latest features on the server.

[mamir, 2017/06/08 09:58:28]

Done.

+  // std::string endpoint = variations::GetVariationParamValueByFeature(
+  //     ntp_snippets::kArticleSuggestionsFeature, kContentSuggestionsBackend);
+  // if (!endpoint.empty()) {
+  //   return GURL{endpoint};
+  // }
+
+  switch (channel) {
+    case version_info::Channel::STABLE:
+    case version_info::Channel::BETA:
+      return GURL{kPushUpdatesSubscriptionServer};
+
+    case version_info::Channel::DEV:
+    case version_info::Channel::CANARY:
+    case version_info::Channel::UNKNOWN:
+      return GURL{kPushUpdatesSubscriptionStagingServer};
+  }
+  NOTREACHED();
+  return GURL{kPushUpdatesSubscriptionStagingServer};
+}
 }  // namespace ntp_snippets