hardware keyboard support

	 http://b/issue?id=3368141
	 http://b/issue?id=3368100
	 Removed duplicate key handling
	 added focus transition from page to url bar
	 once framework bug http://b/issue?id=3381411
	 is fixed, focus transitions in url bar will be fixed

Change-Id: Id5011e78bf70d51a25a4e01cf31d9e6ad95ceab7
diff --git a/src/com/android/browser/UI.java b/src/com/android/browser/UI.java
index 4738522..8de2b19 100644
--- a/src/com/android/browser/UI.java
+++ b/src/com/android/browser/UI.java
@@ -20,6 +20,7 @@
 import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.view.ActionMode;
+import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.View;
 import android.webkit.WebChromeClient.CustomViewCallback;
@@ -117,4 +118,6 @@
 
     void showMaxTabsWarning();
 
+    boolean dispatchKey(int code, KeyEvent event);
+
 }