[Android WebView] Add auto-grant permissions to WebViewShell.

android_webview/tools/WebViewShell/src/org/chromium/webview_shell/WebViewBrowserActivity.java

 // Copyright 2015 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.webview_shell;
 
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.View.OnKeyListener;
 import android.view.inputmethod.InputMethodManager;
 import android.webkit.GeolocationPermissions;
+import android.webkit.PermissionRequest;
 import android.webkit.WebChromeClient;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.EditText;
 import android.widget.TextView;
 
 /**
  * This activity is designed for starting a "mini-browser" for manual testing of WebView.
  * It takes an optional URL as an argument, and displays the page. There is a URL bar
  * on top of the webview for manually specifying URLs to load.
  */
 public class WebViewBrowserActivity extends Activity {
     private EditText mUrlBar;
     private WebView mWebView;
 
+    private static final String[] AUTOMATICALLY_GRANT =
+            { PermissionRequest.RESOURCE_VIDEO_CAPTURE, PermissionRequest.RESOURCE_AUDIO_CAPTURE };
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().setTitle(
                 getResources().getString(R.string.title_activity_browser));
         setContentView(R.layout.activity_webview_browser);
         mWebView = (WebView) findViewById(R.id.webview);
         mWebView.getSettings().setJavaScriptEnabled(true);
         mWebView.getSettings().setGeolocationEnabled(true);
 
         mWebView.setWebViewClient(new WebViewClient() {
             @Override
             public boolean shouldOverrideUrlLoading(WebView webView, String url) {
                 return false;
             }
         });
 
         mWebView.setWebChromeClient(new WebChromeClient() {
             @Override
             public void onGeolocationPermissionsShowPrompt(String origin,
                     GeolocationPermissions.Callback callback) {
                 callback.invoke(origin, true, false);
             }
+
+            @Override
+            public void onPermissionRequest(PermissionRequest request) {
+                request.grant(AUTOMATICALLY_GRANT);
+            }
         });
 
         mUrlBar = (EditText) findViewById(R.id.url_field);
         mUrlBar.setOnKeyListener(new OnKeyListener() {
             public boolean onKey(View view, int keyCode, KeyEvent event) {
                 if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_UP) {
                     loadUrlFromUrlBar(view);
                     return true;
                 }
                 return false;
@@ skipping 25 matching lines @@
     private static boolean hideKeyboard(View view) {
         InputMethodManager imm = (InputMethodManager) view.getContext().getSystemService(
                 Context.INPUT_METHOD_SERVICE);
         return imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
     }
 
     private static String getUrlFromIntent(Intent intent) {
         return intent != null ? intent.getDataString() : null;
     }
 }