[Android] Refactor NativeView to be able to use it for AutofillDialog.

ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java

Index: ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java
diff --git a/ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java b/ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java
deleted file mode 100644
index 821a8a8cb500e522dce0401622dad09c68b8c23d..0000000000000000000000000000000000000000
--- a/ui/android/java/src/org/chromium/ui/gfx/ActivityNativeWindow.java
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright (c) 2012 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.gfx;
-
-import android.app.Activity;
-import android.content.ActivityNotFoundException;
-import android.content.Intent;
-import android.os.Bundle;
-import android.util.SparseArray;
-import android.widget.Toast;
-
-import java.util.HashMap;
-
-/**
- * The window that has access to the main activity and is able to create and receive intents,
- * and show error messages.
- */
-public class ActivityNativeWindow extends NativeWindow {
-
-    // Constants used for intent request code bounding.
-    private static final int REQUEST_CODE_PREFIX = 1000;
-    private static final int REQUEST_CODE_RANGE_SIZE = 100;
-    // A string used as a key to store intent errors in a bundle
-    static final String WINDOW_CALLBACK_ERRORS = "window_callback_errors";
-
-    private int mNextRequestCode = 0;
-    protected Activity mActivity;
-    protected SparseArray<IntentCallback> mOutstandingIntents;
-    protected HashMap<Integer, String> mIntentErrors;
-
-    /**
-     * @param activity
-     */
-    public ActivityNativeWindow(Activity activity) {
-        super(activity);
-        mActivity = activity;
-        mOutstandingIntents = new SparseArray<IntentCallback>();
-        mIntentErrors = new HashMap<Integer, String>();
-
-    }
-
-    /**
-     * Shows an intent and returns the results to the callback object.
-     * @param intent The intent that needs to be showed.
-     * @param callback The object that will receive the results for the intent.
-     * @param error The error string to be show if activity is paused before intent results.
-     * @return Whether the intent was shown.
-     */
-    @Override
-    public boolean showIntent(Intent intent, IntentCallback callback, String error) {
-        int requestCode = REQUEST_CODE_PREFIX + mNextRequestCode;
-        mNextRequestCode = (mNextRequestCode + 1) % REQUEST_CODE_RANGE_SIZE;
-
-        try {
-            mActivity.startActivityForResult(intent, requestCode);
-        } catch (ActivityNotFoundException e) {
-            return false;
-        }
-
-        mOutstandingIntents.put(requestCode, callback);
-        if (error != null) mIntentErrors.put(requestCode, error);
-
-        return true;
-    }
-
-    /**
-     * Displays an error message with a provided error message string.
-     * @param error The error message string to be displayed.
-     */
-    @Override
-    public void showError(String error) {
-        if (error != null) {
-            Toast.makeText(mActivity, error, Toast.LENGTH_SHORT).show();
-        }
-    }
-
-    /**
-     * Displays an error message for a nonexistent callback.
-     * @param error The error message string to be displayed.
-     */
-    protected void showCallbackNonExistentError(String error) {
-        showError(error);
-    }
-
-    /**
-     * Broadcasts the given intent to all interested BroadcastReceivers.
-     */
-    @Override
-    public void sendBroadcast(Intent intent) {
-        mActivity.sendBroadcast(intent);
-    }
-
-    /**
-     * @return Application activity.
-     */
-    public Activity getActivity() {
-        return mActivity;
-    }
-
-    /**
-     * Saves the error messages that should be shown if any pending intents would return
-     * after the application has been put onPause.
-     * @param bundle The bundle to save the information in onPause
-     */
-    public void saveInstanceState(Bundle bundle) {
-        bundle.putSerializable(WINDOW_CALLBACK_ERRORS, mIntentErrors);
-    }
-
-    /**
-     * Restores the error messages that should be shown if any pending intents would return
-     * after the application has been put onPause.
-     * @param bundle The bundle to restore the information from onResume
-     */
-    public void restoreInstanceState(Bundle bundle) {
-        if (bundle == null) return;
-
-        Object errors = bundle.getSerializable(WINDOW_CALLBACK_ERRORS);
-        if (errors instanceof HashMap) {
-            @SuppressWarnings("unchecked")
-            HashMap<Integer, String> intentErrors = (HashMap<Integer, String>) errors;
-            mIntentErrors = intentErrors;
-        }
-    }
-
-    /**
-     * Responds to the intent result if the intent was created by the native window.
-     * @param requestCode Request code of the requested intent.
-     * @param resultCode Result code of the requested intent.
-     * @param data The data returned by the intent.
-     * @return Boolean value of whether the intent was started by the native window.
-     */
-    public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
-        IntentCallback callback = mOutstandingIntents.get(requestCode);
-        mOutstandingIntents.delete(requestCode);
-        String errorMessage = mIntentErrors.remove(requestCode);
-
-        if (callback != null) {
-            callback.onIntentCompleted(this, resultCode,
-                    mActivity.getContentResolver(), data);
-            return true;
-        } else {
-            if (errorMessage != null) {
-                showCallbackNonExistentError(errorMessage);
-                return true;
-            }
-        }
-        return false;
-    }
-
-}