Remove the Physical Web SwipeRefreshWidget

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/SwipeRefreshWidget.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/SwipeRefreshWidget.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/SwipeRefreshWidget.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/SwipeRefreshWidget.java
deleted file mode 100644
index 9bd335e3e4fc866f243d3fb5ac6ceb7aad5d5f89..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/SwipeRefreshWidget.java
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2015 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.chrome.browser.physicalweb;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.widget.ListView;
-
-import org.chromium.chrome.R;
-
-/**
- * Subclass of {@link android.support.v4.widget.SwipeRefreshLayout} that supports containing a
- * single ViewGroup. The ViewGroup must contain a ListView such that the top of the list is
- * aligned to the top of the parent view. Scrolling past the top of the list triggers a
- * refresh.
- */
-public class SwipeRefreshWidget extends android.support.v4.widget.SwipeRefreshLayout {
-    private ListView mListView;
-
-    public SwipeRefreshWidget(Context context, AttributeSet attributeSet) {
-        super(context, attributeSet);
-    }
-
-    @Override
-    public boolean canChildScrollUp() {
-        if (mListView == null) {
-            mListView = (ListView) findViewById(R.id.physical_web_urls_list);
-        }
-
-        // The real child we care about is the list, so check if that can scroll.
-        return mListView.getChildCount() > 0
-                && (mListView.getFirstVisiblePosition() > 0
-                || mListView.getChildAt(0).getTop() < mListView.getPaddingTop());
-    }
-}