[NTP Snippets] Don't reschedule background fetching on every startup

chrome/browser/android/ntp/ntp_snippets_bridge.cc

Index: chrome/browser/android/ntp/ntp_snippets_bridge.cc
diff --git a/chrome/browser/android/ntp/ntp_snippets_bridge.cc b/chrome/browser/android/ntp/ntp_snippets_bridge.cc
index a14c1f9718d0237848fb10a6ec84ce2855ab41cd..6b0c9fe00bd9e6e1d94020e08bc2d7445652dc9c 100644
--- a/chrome/browser/android/ntp/ntp_snippets_bridge.cc
+++ b/chrome/browser/android/ntp/ntp_snippets_bridge.cc
@@ -92,7 +92,8 @@ static void FetchSnippets(JNIEnv* env,
   service->FetchSnippets(j_force_request);
 }
 
-// Reschedules the fetching of snippets.
+// Reschedules the fetching of snippets. If tasks are already scheduled, they
+// will be rescheduled anyway, so all running intervals will be reset.
 static void RescheduleFetching(JNIEnv* env,
                                const JavaParamRef<jclass>& caller) {
   Profile* profile = ProfileManager::GetLastUsedProfile();
@@ -114,7 +115,7 @@ static void RescheduleFetching(JNIEnv* env,
   if (!service)
     return;
 
-  service->RescheduleFetching();
+  service->RescheduleFetching(/*force=*/true);
 }
 
 static void OnSuggestionTargetVisited(JNIEnv* env,