Adds a new WebViewFragment class

Cherry pick from master change 85641.

Bug: 3262357
Change-Id: Ife095f7db820bf0a2add682b47586854a4ea9499

api/current.xml

@@ -238153,6 +238153,34 @@
 >
 </field>
 </class>
+<class name="WebViewFragment"
+ extends="android.app.Fragment"
+ abstract="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<constructor name="WebViewFragment"
+ type="android.webkit.WebViewFragment"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</constructor>
+<method name="getWebView"
+ return="android.webkit.WebView"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
+</class>
 </package>
 <package name="android.widget"
 >

core/java/android/webkit/WebViewFragment.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.webkit;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.WebView;
+
+/**
+ * A fragment that displays a WebView.
+ * <p>
+ * The WebView is automically paused or resumed when the Fragment is paused or resumed.
+ */
+public class WebViewFragment extends Fragment {
+    private WebView mWebView;
+
+    public WebViewFragment() {
+    }
+
+    /**
+     * Called to instantiate the view. Creates and returns the WebView.
+     */
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        mWebView = new WebView(getActivity());
+        return mWebView;
+    }
+
+    /**
+     * Called when the fragment is visible to the user and actively running. Resumes the WebView.
+     */
+    @Override
+    public void onPause() {
+        super.onPause();
+        mWebView.onPause();
+    }
+
+    /**
+     * Called when the fragment is no longer resumed. Pauses the WebView.
+     */
+    @Override
+    public void onResume() {
+        mWebView.onResume();
+        super.onResume();
+    }
+
+    /**
+     * Called when the view has been detached from the fragment. Destroys the WebView.
+     */
+    @Override
+    public void onDestroyView() {
+        mWebView.destroy();
+        mWebView = null;
+        super.onDestroyView();
+    }
+
+    /**
+     * Gets the WebView.
+     */
+    public WebView getWebView() {
+        return mWebView;
+    }
+}