ui: Cleanup class/struct forward declarations

ui/android/java/src/org/chromium/ui/picker/WeekPickerDialog.java

Index: ui/android/java/src/org/chromium/ui/picker/WeekPickerDialog.java
diff --git a/ui/android/java/src/org/chromium/ui/picker/WeekPickerDialog.java b/ui/android/java/src/org/chromium/ui/picker/WeekPickerDialog.java
deleted file mode 100644
index e769c1a25c472d08222d938095e2ba101c375a67..0000000000000000000000000000000000000000
--- a/ui/android/java/src/org/chromium/ui/picker/WeekPickerDialog.java
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.ui.picker;
-
-import android.content.Context;
-
-import org.chromium.ui.R;
-
-public class WeekPickerDialog extends TwoFieldDatePickerDialog {
-
-    /**
-     * @param context The context the dialog is to run in.
-     * @param callBack How the parent is notified that the date is set.
-     * @param year The initial year of the dialog.
-     * @param weekOfYear The initial week of the dialog.
-     */
-    public WeekPickerDialog(Context context,
-             OnValueSetListener callBack,
-            int year, int weekOfYear,
-            double minValue, double maxValue) {
-        this(context, 0, callBack, year, weekOfYear, minValue, maxValue);
-    }
-
-    /**
-     * @param context The context the dialog is to run in.
-     * @param theme the theme to apply to this dialog
-     * @param callBack How the parent is notified that the date is set.
-     * @param year The initial year of the dialog.
-     * @param weekOfYear The initial week of the dialog.
-     */
-    public WeekPickerDialog(Context context,
-            int theme,
-             OnValueSetListener callBack,
-            int year,
-            int weekOfYear,
-            double minValue, double maxValue) {
-        super(context, theme, callBack, year, weekOfYear, minValue, maxValue);
-        setTitle(R.string.week_picker_dialog_title);
-    }
-
-    @Override
-    protected TwoFieldDatePicker createPicker(Context context, double minValue, double maxValue) {
-        return new WeekPicker(context, minValue, maxValue);
-    }
-
-    /**
-     * Gets the {@link WeekPicker} contained in this dialog.
-     *
-     * @return The calendar view.
-     */
-    public WeekPicker getWeekPicker() {
-        return (WeekPicker) mPicker;
-    }
-}