[Android] Move the java content/ package to content_public/ to start the split.

content/public/android/java/src/org/chromium/content/browser/ViewPositionObserver.java

Index: content/public/android/java/src/org/chromium/content/browser/ViewPositionObserver.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ViewPositionObserver.java b/content/public/android/java/src/org/chromium/content/browser/ViewPositionObserver.java
deleted file mode 100644
index 8f55f2f252752849b10505ad214e40340afc1bd6..0000000000000000000000000000000000000000
--- a/content/public/android/java/src/org/chromium/content/browser/ViewPositionObserver.java
+++ /dev/null
@@ -1,103 +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.content.browser;
-
-import android.view.View;
-import android.view.ViewTreeObserver;
-
-import java.util.ArrayList;
-
-/**
- * Used to register listeners that can be notified of changes to the position of a view.
- */
-public class ViewPositionObserver implements PositionObserver {
-    private View mView;
-    // Absolute position of the container view relative to its parent window.
-    private final int[] mPosition = new int[2];
-
-    private final ArrayList<Listener> mListeners;
-    private ViewTreeObserver.OnPreDrawListener mPreDrawListener;
-
-    /**
-     * @param view The view to observe.
-     */
-    public ViewPositionObserver(View view) {
-        mView = view;
-        mListeners = new ArrayList<Listener>();
-        updatePosition();
-        mPreDrawListener = new ViewTreeObserver.OnPreDrawListener() {
-            @Override
-            public boolean onPreDraw() {
-                updatePosition();
-                return true;
-            }
-        };
-    }
-
-    /**
-     * @return The current x position of the observed view.
-     */
-    @Override
-    public int getPositionX() {
-        // The stored position may be out-of-date. Get the real current position.
-        updatePosition();
-        return mPosition[0];
-    }
-
-    /**
-     * @return The current y position of the observed view.
-     */
-    @Override
-    public int getPositionY() {
-        // The stored position may be out-of-date. Get the real current position.
-        updatePosition();
-        return mPosition[1];
-    }
-
-    /**
-     * Register a listener to be called when the position of the underlying view changes.
-     */
-    @Override
-    public void addListener(Listener listener) {
-        if (mListeners.contains(listener)) return;
-
-        if (mListeners.isEmpty()) {
-            mView.getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);
-            updatePosition();
-        }
-
-        mListeners.add(listener);
-    }
-
-    /**
-     * Remove a previously installed listener.
-     */
-    @Override
-    public void removeListener(Listener listener) {
-        if (!mListeners.contains(listener)) return;
-
-        mListeners.remove(listener);
-
-        if (mListeners.isEmpty()) {
-            mView.getViewTreeObserver().removeOnPreDrawListener(mPreDrawListener);
-        }
-    }
-
-    private void notifyListeners() {
-        for (int i = 0; i < mListeners.size(); i++) {
-            mListeners.get(i).onPositionChanged(mPosition[0], mPosition[1]);
-        }
-    }
-
-    private void updatePosition() {
-        int previousPositionX = mPosition[0];
-        int previousPositionY = mPosition[1];
-        mView.getLocationInWindow(mPosition);
-        if (mPosition[0] != previousPositionX || mPosition[1] != previousPositionY) {
-            notifyListeners();
-        }
-    }
-}
-