Add new NTP layout with snippet cards and hide it behind a flag

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/NewTabPageListItemViewHolder.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetListItemViewHolder.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/NewTabPageListItemViewHolder.java
similarity index 78%
rename from chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetListItemViewHolder.java
rename to chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/NewTabPageListItemViewHolder.java
index 75dc552711a1baaccfcbf07a3a478d7172559e7d..d9a09f75e4f99b90941f7a36ce7cdbafff2f754e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SnippetListItemViewHolder.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/NewTabPageListItemViewHolder.java
@@ -7,12 +7,12 @@ package org.chromium.chrome.browser.ntp.snippets;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 
-import org.chromium.chrome.browser.ntp.snippets.SnippetsManager.SnippetListItem;
+import org.chromium.chrome.browser.ntp.NewTabPageCardsManager.NewTabPageListItem;
 
 /**
  * A class that represents an item we want to display in our list of card snippets.

[newt (away), 2016/03/23 05:29:39]

Update this comment, esp since the "main NTP content" is now included.

[May, 2016/03/23 19:22:57]

Done.

  */
-abstract class SnippetListItemViewHolder extends RecyclerView.ViewHolder {
+abstract class NewTabPageListItemViewHolder extends RecyclerView.ViewHolder {

[newt (away), 2016/03/23 05:29:39]

We could probably make this name a bit more concise. Maybe remove "List" or
"ListItem".

[May, 2016/03/23 19:22:57]

Done.

     private final SnippetsManager mManager;
 
     /**
@@ -22,7 +22,7 @@ abstract class SnippetListItemViewHolder extends RecyclerView.ViewHolder {
      * @param cardView The View for this item
      * @param manager The SnippetsManager object used to open an article
      */
-    public SnippetListItemViewHolder(View itemView, SnippetsManager manager) {
+    public NewTabPageListItemViewHolder(View itemView, SnippetsManager manager) {
         super(itemView);
         mManager = manager;
     }
@@ -42,5 +42,5 @@ abstract class SnippetListItemViewHolder extends RecyclerView.ViewHolder {
      *
      * @param article The SnippetListItem object that holds the data for this ViewHolder

[newt (away), 2016/03/23 05:29:39]

update javadoc and param name

[May, 2016/03/23 19:22:57]

Done.

      */
-    public abstract void onBindViewHolder(SnippetListItem snippetItem);
+    public abstract void onBindViewHolder(NewTabPageListItem snippetItem);
 }