Move fetching new suggestions for all categories to the SuggestionsSource.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
index 28882cbd6e1dc66d8b9ec672bc2c006092649ff2..96cedecc07c0fdc6a9f6eeb3e72e5d60f4c5322c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetsBridge.java
@@ -66,19 +66,22 @@ public class SnippetsBridge implements SuggestionsSource {
     }
 
     /**
-     * Fetches new snippets.
-     */
-    public static void fetchSnippets(boolean forceRequest) {
-        nativeFetchSnippets(forceRequest);
-    }
-
-    /**
      * Reschedules the fetching of snippets.
      */
     public static void rescheduleFetching() {
         nativeRescheduleFetching();
     }
 
+    public static void fetchRemoteSuggestionsFromBackground() {
+        // Do not force regular background fetches.
+        nativeFetchSnippets(/* forceRequest = */ false);
+    }
+
+    @Override
+    public void fetchRemoteSuggestions() {
+        nativeFetchSnippets(/* forceRequest = */ true);
+    }
+
     @Override
     public int[] getCategories() {
         assert mNativeSnippetsBridge != 0;