🏠 Extract the ContentSuggestionManager interface from NTP

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSection.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSection.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSection.java
index 71b7d4b494b5467d5516b4dd1e75fa1cd1ebb60c..97a50aa01265df76288ccbe1897fc874b6621843 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSection.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSection.java
@@ -8,7 +8,6 @@
 import org.chromium.base.Log;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.browser.ntp.NewTabPage.DestructionObserver;
-import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
 import org.chromium.chrome.browser.ntp.snippets.CategoryInt;
 import org.chromium.chrome.browser.ntp.snippets.CategoryStatus.CategoryStatusEnum;
 import org.chromium.chrome.browser.ntp.snippets.SectionHeader;
@@ -19,6 +18,7 @@
 import org.chromium.chrome.browser.offlinepages.ClientId;
 import org.chromium.chrome.browser.offlinepages.OfflinePageBridge;
 import org.chromium.chrome.browser.offlinepages.OfflinePageItem;
+import org.chromium.chrome.browser.suggestions.ContentSuggestionsManager;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -52,7 +52,7 @@
         void dismissSection(SuggestionsSection section);
     }
 
-    public SuggestionsSection(Delegate delegate, NewTabPageManager manager,
+    public SuggestionsSection(Delegate delegate, ContentSuggestionsManager manager,
             OfflinePageBridge offlinePageBridge, SuggestionsCategoryInfo info) {
         mDelegate = delegate;
         mCategoryInfo = info;
@@ -71,12 +71,12 @@ public SuggestionsSection(Delegate delegate, NewTabPageManager manager,
 
     private static class SuggestionsList extends ChildNode implements Iterable<SnippetArticle> {
         private final List<SnippetArticle> mSuggestions = new ArrayList<>();
-        private final NewTabPageManager mNewTabPageManager;
+        private final ContentSuggestionsManager mManager;
         private final SuggestionsCategoryInfo mCategoryInfo;
 
-        public SuggestionsList(NewTabPageManager newTabPageManager,
-                SuggestionsCategoryInfo categoryInfo) {
-            mNewTabPageManager = newTabPageManager;
+        public SuggestionsList(
+                ContentSuggestionsManager newTabPageManager, SuggestionsCategoryInfo categoryInfo) {
+            mManager = newTabPageManager;
             mCategoryInfo = categoryInfo;
         }
 
@@ -142,7 +142,7 @@ public SnippetArticle remove(int position) {
         @Override
         public void dismissItem(int position, Callback<String> itemRemovedCallback) {
             checkIndex(position);
-            SuggestionsSource suggestionsSource = mNewTabPageManager.getSuggestionsSource();
+            SuggestionsSource suggestionsSource = mManager.getSuggestionsSource();
             if (suggestionsSource == null) {
                 // It is possible for this method to be called after the NewTabPage has had
                 // destroy() called. This can happen when
@@ -167,7 +167,7 @@ public void updateSuggestionOfflineId(SnippetArticle article, Long newId) {
         }
     }
 
-    private void setupOfflinePageBridgeObserver(NewTabPageManager manager) {
+    private void setupOfflinePageBridgeObserver(ContentSuggestionsManager manager) {
         final OfflinePageBridge.OfflinePageModelObserver observer =
                 new OfflinePageBridge.OfflinePageModelObserver() {
                     @Override