Support action button to fetch more content suggestions

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java
index a0127dc3fd4829f408edd1c9702ac1c77d266255..1d37a54b344e49fae5be152c2ed171012a92b2f7 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsCategoryInfo.java
@@ -22,9 +22,18 @@ public class SuggestionsCategoryInfo {
     @ContentSuggestionsCardLayoutEnum
     private final int mCardLayout;
 
-    public SuggestionsCategoryInfo(String title, @ContentSuggestionsCardLayoutEnum int cardLayout) {
+    /**
+     * Whether the category supports a "More" button. The button either triggers
+     * a fixed action (like opening a native page) or, if there is no such fixed
+     * action, it queries the provider for more suggestions.
+     */
+    private final boolean mHasMoreButton;
+
+    public SuggestionsCategoryInfo(
+            String title, @ContentSuggestionsCardLayoutEnum int cardLayout, boolean hasMoreButton) {
         this.mTitle = title;
         this.mCardLayout = cardLayout;
+        this.mHasMoreButton = hasMoreButton;
     }
 
     public String getTitle() {
@@ -34,4 +43,8 @@ public class SuggestionsCategoryInfo {
     public int getCardLayout() {
         return this.mCardLayout;
     }
+
+    public boolean hasMoreButton() {
+        return this.mHasMoreButton;
+    }
 }