Shortcut ctrl+shift+T added on android.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java b/chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java
index d8a3cc1c854c3905b6761523e69972b6ccafea55..dec342700fda1daa00c02d080d3736967d50f661 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/KeyboardShortcuts.java
@@ -123,6 +123,11 @@ public class KeyboardShortcuts {
         int keyCodeAndMeta = keyCode | metaState;
 
         switch (keyCodeAndMeta) {
+            case CTRL | SHIFT | KeyEvent.KEYCODE_T:
+                if (!curModel.isIncognito()) {
+                    activity.onMenuOrKeyboardAction(R.id.open_recent_closed_tab, false);

[Theresa, 2016/06/29 23:53:29]

Let's have this just call into the activity and the activity itself can choose
whether to or not to handle the keyboard input based on if the current model is
incognito.

[xingliu, 2016/06/30 05:43:55]

Done.

+                }
+                return true;
             case CTRL | KeyEvent.KEYCODE_T:
                 activity.onMenuOrKeyboardAction(curModel.isIncognito()
                         ? R.id.new_incognito_tab_menu_id