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

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageScrollView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageScrollView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabScrollView.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageScrollView.java
similarity index 96%
rename from chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabScrollView.java
rename to chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageScrollView.java
index b354d6b00cccdc02a1f9ef036d3ba66bb0bab505..b3fae9bf8febf1fe5a468ad4ab74be9673c633e2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabScrollView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageScrollView.java
@@ -8,7 +8,6 @@
 import android.graphics.Canvas;
 import android.os.Build;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.GestureDetector;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -17,6 +16,7 @@
 import android.view.inputmethod.InputConnection;
 import android.widget.ScrollView;
 
+import org.chromium.base.Log;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.widget.FadingShadow;
 
@@ -24,9 +24,8 @@
  * Simple wrapper on top of a ScrollView that will acquire focus when tapped.  Ensures the
  * New Tab page receives focus when clicked.
  */
-public class NewTabScrollView extends ScrollView {
-
-    private static final String TAG = "NewTabScrollView";
+public class NewTabPageScrollView extends ScrollView {
+    private static final String TAG = "NewTabPageScrollView";
 
     /**
      * Listener for scroll changes.
@@ -49,7 +48,7 @@
     /**
      * Constructor needed to inflate from XML.
      */
-    public NewTabScrollView(Context context, AttributeSet attrs) {
+    public NewTabPageScrollView(Context context, AttributeSet attrs) {
         super(context, attrs);
 
         mGestureDetector = new GestureDetector(