Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/res/layout-sw600dp/empty_background_view.xml

Index: chrome/android/java_staging/res/layout-sw600dp/empty_background_view.xml
diff --git a/chrome/android/java_staging/res/layout-sw600dp/empty_background_view.xml b/chrome/android/java_staging/res/layout-sw600dp/empty_background_view.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b2315d6b602267506d84d02d3afb78bdd10713ea
--- /dev/null
+++ b/chrome/android/java_staging/res/layout-sw600dp/empty_background_view.xml
@@ -0,0 +1,58 @@
+<?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. -->
+
+<org.chromium.chrome.browser.widget.emptybackground.EmptyBackgroundViewTablet
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:chrome="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/empty_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:visibility="gone"
+    android:background="@color/tab_switcher_background">
+    <LinearLayout
+        android:id="@+id/empty_layout_button_container"
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="top|start"
+        android:paddingTop="@dimen/menu_negative_software_vertical_offset">
+        <view class="org.chromium.chrome.browser.widget.newtab.NewTabButton"
+            android:id="@+id/empty_new_tab_button"
+            style="@style/ToolbarButton"
+            android:layout_width="wrap_content"
+            android:layout_gravity="start|top"
+            android:paddingStart="16dp"
+            android:paddingEnd="16dp"
+            android:src="@drawable/btn_new_tab_white"
+            android:gravity="center_vertical"
+            android:background="?attr/selectableItemBackground"
+            android:contentDescription="@string/accessibility_tabstrip_btn_empty_new_tab"
+            />
+        <View
+            android:layout_weight="1.0"
+            android:layout_height="wrap_content"
+            android:layout_width="0dp" />
+        <org.chromium.chrome.browser.widget.incognitotoggle.IncognitoToggleButtonTablet
+            android:id="@+id/empty_incognito_toggle_button"
+            android:layout_width="48dp"
+            android:layout_height="@dimen/toolbar_height_no_shadow"
+            android:visibility="gone"
+            android:scaleType="center"
+            android:background="?attr/selectableItemBackground"
+            android:contentDescription="@string/accessibility_tabstrip_btn_incognito_toggle_standard"
+            />
+        <org.chromium.chrome.browser.widget.TintedImageButton
+            android:id="@+id/empty_menu_button"
+            style="@style/ToolbarButton"
+            android:layout_width="48dp"
+            android:layout_height="@dimen/toolbar_height_no_shadow"
+            android:src="@drawable/btn_menu"
+            android:scaleType="center"
+            android:contentDescription="@string/accessibility_toolbar_btn_menu"
+            android:paddingStart="2dp"
+            chrome:tint="@color/light_mode_tint"
+            />
+    </LinearLayout>
+</org.chromium.chrome.browser.widget.emptybackground.EmptyBackgroundViewTablet>