Revert of 📺 Move fullscreen web content to a new Activity.

chrome/android/java/src/org/chromium/chrome/browser/FullscreenWebContentsActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/FullscreenWebContentsActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/FullscreenWebContentsActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/FullscreenWebContentsActivity.java
deleted file mode 100644
index 5cbe34bf40bb2e7d7ad2241fec384726e5d03f13..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/FullscreenWebContentsActivity.java
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copyright 2017 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;
-
-import android.app.Activity;
-import android.content.ComponentName;
-import android.content.Intent;
-import android.provider.Browser;
-
-import org.chromium.base.Log;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
-import org.chromium.chrome.browser.tab.Tab;
-import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager;
-import org.chromium.chrome.browser.tabmodel.TabReparentingParams;
-import org.chromium.chrome.browser.util.IntentUtils;
-import org.chromium.chrome.browser.webapps.FullScreenActivity;
-
-/**
- * An Activity used to display fullscreen WebContents.
- */
-public class FullscreenWebContentsActivity extends FullScreenActivity {
-    private static final String TAG = "FullWebConActivity";
-
-    @Override
-    protected Tab createTab() {
-        assert getIntent().hasExtra(IntentHandler.EXTRA_TAB_ID);
-
-        int tabId = IntentUtils.safeGetIntExtra(
-                getIntent(), IntentHandler.EXTRA_TAB_ID, Tab.INVALID_TAB_ID);
-        TabReparentingParams params = (TabReparentingParams) AsyncTabParamsManager.remove(tabId);
-
-        Tab tab = params.getTabToReparent();
-        tab.attachAndFinishReparenting(this, createTabDelegateFactory(), params);
-        return tab;
-    }
-
-    @Override
-    protected int getControlContainerLayoutId() {
-        // TODO(peconn): Determine if there's something more suitable to use here.
-        return R.layout.webapp_control_container;
-    }
-
-    @Override
-    protected ChromeFullscreenManager createFullscreenManager() {
-        // Create a Fullscreen manager that won't change the Tab's fullscreen state when the
-        // Activity ends - we handle leaving fullscreen ourselves.
-        return new ChromeFullscreenManager(this, false, false);
-    }
-
-    @Override
-    public boolean supportsFullscreenActivity() {
-        return true;
-    }
-
-    public static void toggleFullscreenMode(final boolean enableFullscreen, final Tab tab) {
-        if (tab.getFullscreenManager() == null) {
-            Log.w(TAG, "Cannot toggle fullscreen, manager is null.");
-            return;
-        }
-
-        if (tab.getFullscreenManager().getTab() == tab) {
-            tab.getFullscreenManager().setTab(null);
-        }
-
-        Runnable setFullscreen = new Runnable() {
-            @Override
-            public void run() {
-                // The Tab's FullscreenManager changes when it is moved.
-                tab.getFullscreenManager().setTab(tab);
-                tab.toggleFullscreenMode(enableFullscreen);
-            }
-        };
-
-        Intent intent = new Intent();
-        Activity activity = tab.getActivity();
-
-        if (enableFullscreen) {
-            // Send to the FullscreenWebContentsActivity.
-            intent.setClass(tab.getActivity(), FullscreenWebContentsActivity.class);
-
-            intent.putExtra(IntentHandler.EXTRA_PARENT_COMPONENT, activity.getComponentName());
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            // In multiwindow mode we want both activities to be able to launch independent
-            // FullscreenWebContentsActivity's.
-            intent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
-        } else {
-            // Send back to the Activity it came from.
-            ComponentName parent = IntentUtils.safeGetParcelableExtra(
-                    activity.getIntent(), IntentHandler.EXTRA_PARENT_COMPONENT);
-            if (parent != null) {
-                intent.setComponent(parent);
-            } else {
-                Log.d(TAG, "Cannot return fullscreen tab to parent Activity.");
-                // Tab.detachAndStartReparenting will give the intent a default component if it
-                // has none.
-            }
-
-            // TODO(peconn): Deal with tricky multiwindow scenarios.
-        }
-        intent.putExtra(Browser.EXTRA_APPLICATION_ID, activity.getPackageName());
-
-        tab.detachAndStartReparenting(intent, null, setFullscreen);
-    }
-}