[Soft fetches] Set-up different intervals for <Chrome started> events.

components/ntp_snippets/pref_names.cc

Index: components/ntp_snippets/pref_names.cc
diff --git a/components/ntp_snippets/pref_names.cc b/components/ntp_snippets/pref_names.cc
index fb5582a6725b6516ca97271710ca138aae67e138..87b5d6f10c5dd636c9814239f54620e954a83ae3 100644
--- a/components/ntp_snippets/pref_names.cc
+++ b/components/ntp_snippets/pref_names.cc
@@ -13,17 +13,21 @@ const char kRemoteSuggestionCategories[] = "ntp_snippets.remote_categories";
 
 const char kSnippetLastFetchAttempt[] = "ntp_snippets.last_fetch_attempt";
 
-const char kSnippetSoftFetchingIntervalWifi[] =
-    "ntp_snippets.soft_fetching_interval_wifi";
-
-const char kSnippetSoftFetchingIntervalFallback[] =
-    "ntp_snippets.soft_fetching_interval_fallback";
-
+// For backwards compatibility, we do not rename

[markusheintz_, 2017/05/15 09:35:47]

I guess that comment can be moved to the corresponding prefs below.

[jkrcal, 2017/05/15 11:40:24]

Done.

+//  - the "soft_" prefs (should be "shown_");
+//  - the "fetching_" prefs (should be "persistent_fetching_").
 const char kSnippetPersistentFetchingIntervalWifi[] =
     "ntp_snippets.fetching_interval_wifi";
-
 const char kSnippetPersistentFetchingIntervalFallback[] =
     "ntp_snippets.fetching_interval_fallback";
+const char kSnippetStartupFetchingIntervalWifi[] =
+    "ntp_snippets.startup_fetching_interval_wifi";
+const char kSnippetStartupFetchingIntervalFallback[] =
+    "ntp_snippets.startup_fetching_interval_fallback";
+const char kSnippetShownFetchingIntervalWifi[] =
+    "ntp_snippets.soft_fetching_interval_wifi";
+const char kSnippetShownFetchingIntervalFallback[] =
+    "ntp_snippets.soft_fetching_interval_fallback";
 
 const char kSnippetFetcherRequestCount[] =
     "ntp.request_throttler.suggestion_fetcher.count";