[Android History] Add clear browsing data button and privacy disclaimers

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

Index: chrome/android/java/res/layout/history_header.xml
diff --git a/chrome/android/java/res/layout/history_header.xml b/chrome/android/java/res/layout/history_header.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3b9e28b6889bff3a4233bc6ebbcd7bcd44a30844
--- /dev/null
+++ b/chrome/android/java/res/layout/history_header.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2016 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. -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/signed_in_not_synced"
+        style="@style/PrivacyDisclaimerText" />
+
+   <TextView
+        android:id="@+id/signed_in_synced"
+        style="@style/PrivacyDisclaimerText" />
+
+   <TextView
+        android:id="@+id/other_forms_of_browsing_history"
+        style="@style/PrivacyDisclaimerText"  />
+
+    <Button
+        android:id="@+id/clear_browsing_data_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        style="@style/ButtonCompatBorderless"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        android:gravity="center_vertical|start"
+        android:text="@string/open_clear_browsing_data_dialog_button"
+        android:textAllCaps="true"
+        android:textColor="@color/light_active_color"
+        android:textSize="16sp" />
+</LinearLayout>