[Remote suggestions] Prioritize wifi for soft fetches.

chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java
index f18c5adb864ccd11d530e97cfdd6ef2956ed93e7..2706aaf6848dba453bdbcfc67d9f4cca2fc75846 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsLauncher.java
@@ -5,6 +5,7 @@
 package org.chromium.chrome.browser.ntp.snippets;
 
 import android.content.Context;
+import android.net.ConnectivityManager;
 
 import com.google.android.gms.gcm.GcmNetworkManager;
 import com.google.android.gms.gcm.PeriodicTask;
@@ -168,6 +169,14 @@ public class SnippetsLauncher {
         return schedule(0, 0);
     }
 
+    @CalledByNative
+    public boolean isOnUnmeteredConnection() {
+        Context context = ContextUtils.getApplicationContext();
+        ConnectivityManager manager =
+                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+        return !manager.isActiveNetworkMetered();
+    }
+
     public static boolean shouldRescheduleTasksOnUpgrade() {
         // Reschedule the periodic tasks if they were enabled previously.
         return ContextUtils.getAppSharedPreferences().getBoolean(PREF_IS_SCHEDULED, false);