Revert "Refactor ContentViewClient (6/6)"

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

+// Copyright 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.content.browser;
+
+/**
+ *  Main callback class used by ContentView.
+ *
+ *  This contains the superset of callbacks required to implement the browser UI and the callbacks
+ *  required to implement the WebView API.
+ *  The memory and reference ownership of this class is unusual - see the .cc file and ContentView
+ *  for more details.
+ *
+ *  WARNING: ConteViewClient is going away. Do not add new stuff in this class.
+ */
+public class ContentViewClient {
+    /**
+     * Called when an ImeEvent is sent to the page. Can be used to know when some text is entered
+     * in a page.
+     */
+    public void onImeEvent() {}
+
+    /**
+     * Notified when the editability of the focused node changes.
+     *
+     * @param editable Whether the focused node is editable.
+     */
+    public void onFocusedNodeEditabilityChanged(boolean editable) {}
+
+    /**
+     * Returns the bottom system window inset in pixels. The system window inset represents the area
+     * of a full-screen window that is partially or fully obscured by the status bar, navigation
+     * bar, IME or other system windows.
+     * @return The bottom system window inset.
+     */
+    public int getSystemWindowInsetBottom() {
+        return 0;
+    }
+}