[NTP Offline Pages] Use the "offline bolt" icon, delete the old one

chrome/android/java/res/layout/most_visited_item.xml

Index: chrome/android/java/res/layout/most_visited_item.xml
diff --git a/chrome/android/java/res/layout/most_visited_item.xml b/chrome/android/java/res/layout/most_visited_item.xml
index c3345bdccc02de525c407ba3f1569b661d6eb791..cb0361563afa580236772cd30d61c22c28e44680 100644
--- a/chrome/android/java/res/layout/most_visited_item.xml
+++ b/chrome/android/java/res/layout/most_visited_item.xml
@@ -6,6 +6,7 @@
 <!-- A most visited item, for display on the new tab page. -->
 <org.chromium.chrome.browser.ntp.MostVisitedItemView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:chrome="http://schemas.android.com/apk/res-auto"
     android:layout_width="@dimen/most_visited_tile_width"
     android:layout_height="wrap_content"
     android:paddingStart="4dp"
@@ -20,7 +21,7 @@
         android:layout_marginTop="12dp"
         android:contentDescription="@null" />
 
-    <ImageView
+    <org.chromium.chrome.browser.widget.TintedImageView
         android:id="@+id/offline_badge"
         android:layout_width="@dimen/most_visited_offline_badge_size"
         android:layout_height="@dimen/most_visited_offline_badge_size"
@@ -28,7 +29,8 @@
         android:visibility="gone"
         android:background="@drawable/offline_badge_background"
         android:contentDescription="@null"
-        android:src="@drawable/offline_pin" />
+        chrome:tint="#4285f4"
+        android:src="@drawable/offline_bolt" />
 
     <View
         android:layout_width="@dimen/most_visited_icon_size"