Rename MostVisited ui bits to Tile(Grid).

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

Index: chrome/android/java/res/layout/most_visited_placeholder.xml
diff --git a/chrome/android/java/res/layout/most_visited_placeholder.xml b/chrome/android/java/res/layout/most_visited_placeholder.xml
deleted file mode 100644
index 23e4d4042b455e616913e526e8ae9696d45ae808..0000000000000000000000000000000000000000
--- a/chrome/android/java/res/layout/most_visited_placeholder.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright 2015 The Chromium Authors. All rights reserved.
-     Use of this source code is governed by a BSD-style license that can be
-     found in the LICENSE file. -->
-
-<!-- The view shown when there are no most visited items in document mode:
-     "Nothing to see here..." -->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:gravity="center"
-    android:padding="16dp"
-    android:orientation="vertical">
-
-    <ImageView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="15dp"
-        android:contentDescription="@null"
-        android:src="@drawable/ic_most_visited_placeholder" />
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
-        android:color="#c8c8c8"
-        android:gravity="center_horizontal"
-        android:text="@string/most_visited_placeholder_title"
-        android:textSize="16sp" />
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:color="#c8c8c8"
-        android:gravity="center_horizontal"
-        android:text="@string/most_visited_placeholder_summary"
-        android:textSize="12sp" />
-
-</LinearLayout>