[android]Fulfill a TODO of ianwen, since we have rolled to 24.1.1

chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java
index c3968994cce997adb11e275644dae1e1e7fbd79f..886ce1b11e99f6a67f656084968ae7a4012e1fb2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuHandler.java
@@ -12,7 +12,6 @@ import android.graphics.drawable.Drawable;
 import android.view.ContextThemeWrapper;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.view.Surface;
 import android.view.View;
 import android.widget.PopupMenu;
 
@@ -87,19 +86,6 @@ public class AppMenuHandler {
             // This fixes the bug where the bottom of the menu starts at the top of
             // the keyboard, instead of overlapping the keyboard as it should.
             int displayHeight = mActivity.getResources().getDisplayMetrics().heightPixels;
-            int widthHeight = mActivity.getResources().getDisplayMetrics().widthPixels;
-
-            // In appcompat 23.2.1, DisplayMetrics are not updated after rotation change. This is a
-            // workaround for it. See crbug.com/599048.
-            // TODO(ianwen): Remove the rotation check after we roll to 23.3.0.
-            if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180) {
-                displayHeight = Math.max(displayHeight, widthHeight);
-            } else if (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270) {
-                displayHeight = Math.min(displayHeight, widthHeight);
-            } else {
-                assert false : "Rotation unexpected";
-            }
-
             Rect rect = new Rect();
             mActivity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);
             int statusBarHeight = rect.top;