Implement additional parts of the new ui for CBD.

chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
index def7a49fe00e39400f76608edbfa65d894b4af46..b30b08315f7d7373327c72413f3aa87d25234cb6 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java
@@ -727,6 +727,21 @@ public final class PrefServiceBridge {
     }
 
     /*
+     * Return the index of the tab last visited by the user in the CBD dialog.

[msramek, 2017/01/25 15:24:23]

Java-doc please.

The style dictates that public methods are java-documented. I know this is not
the case everywhere, but to my knowledge the Android team is trying to improve
that - let's help them.

[dullweber, 2017/01/25 17:22:06]

Done.

+     * Index 0 is for the basic tab, 1 is the advanced tab.
+     */
+    public int getLastSelectedClearBrowsingDataTab() {
+        return nativeGetLastClearBrowsingDataTab();
+    }
+
+    /*
+     * Set the index of the tab last visited by the user.
+     */
+    public void setLastSelectedClearBrowsingDataTab(int tabIndex) {
+        nativeSetLastClearBrowsingDataTab(tabIndex);
+    }
+
+    /*
      * Whether browser history can be deleted by the user.
      */
     public boolean canDeleteBrowsingHistory() {
@@ -1090,6 +1105,8 @@ public final class PrefServiceBridge {
     private native void nativeClearBrowsingData(int[] dataTypes, int timePeriod,
             String[] blacklistDomains, int[] blacklistedDomainReasons, String[] ignoredDomains,
             int[] ignoredDomainReasons);
+    private native int nativeGetLastClearBrowsingDataTab();
+    private native void nativeSetLastClearBrowsingDataTab(int lastTab);
     private native void nativeRequestInfoAboutOtherFormsOfBrowsingHistory(
             OtherFormsOfBrowsingHistoryListener listener);
     private native boolean nativeCanDeleteBrowsingHistory();