Remove Last 1 pages when the tab holding them is destroyed.

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
index cbe92b54be1300b6dede26246975b74711c82e41..2176c51a18016dc00500a9981eae362cb828614e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
@@ -521,6 +521,10 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
             @Override
             public void onDestroyed(Tab tab) {
                 mDataUseSnackbarController.dismissDataUseBar();
+                // We can't use TabModelObserver#tabClosureCommitted to observe closing a
+                // tab because neither the tab model nor the tab have a profile at that
+                // point.  So we listen to TabObserver#onDestroyed for that information.
+                OfflinePageBridge.onTabDestroyed(tab);
             }
 
             @Override