[remoting android] Fix WebView deprecation warnings

remoting/android/java/src/org/chromium/chromoting/help/HelpActivity.java

 // Copyright 2014 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.chromoting.help;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.text.TextUtils;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.webkit.WebResourceRequest;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
 import org.chromium.chromoting.ChromotingUtil;
 import org.chromium.chromoting.R;
 import org.chromium.ui.UiUtils;
 
 /**
  * The Activity for showing the Help screen.
  */
@@ skipping 49 matching lines @@
         }
 
         CharSequence subtitle = TextUtils.concat(appName, " ", versionName);
         getSupportActionBar().setSubtitle(subtitle);
 
         String initialUrl = getIntent().getDataString();
         final String initialHost = Uri.parse(initialUrl).getHost();
 
         mWebView.getSettings().setJavaScriptEnabled(true);
         mWebView.setWebViewClient(new WebViewClient() {
-            @Override
-            public boolean shouldOverrideUrlLoading(WebView view, String url) {
+            private boolean shouldOverrideUrlLoading(final Uri uri) {
                 // Make sure any links to other websites open up in an external browser.
-                Uri uri = Uri.parse(url);
                 String host = uri.getHost();
 
                 // Note that |host| might be null, so allow for this in the test for equality.
                 if (initialHost.equals(host)) {
                     return false;
                 }
                 ChromotingUtil.openUrl(HelpActivity.this, uri);
                 return true;
             }
+
+            @TargetApi(Build.VERSION_CODES.N)
+            @Override
+            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
+                return shouldOverrideUrlLoading(request.getUrl());
+            }
+
+            @SuppressWarnings("deprecation")
+            @Override
+            public boolean shouldOverrideUrlLoading(WebView view, String url) {
+                return shouldOverrideUrlLoading(Uri.parse(url));
+            }
         });
         mWebView.loadUrl(initialUrl);
     }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.help_actionbar, menu);
         return super.onCreateOptionsMenu(menu);
     }
 
@@ skipping 12 matching lines @@
             ChromotingUtil.openUrl(this, Uri.parse(PLAY_STORE_URL + getPackageName()));
             return true;
         }
         if (id == R.id.actionbar_credits) {
             startActivity(new Intent(this, CreditsActivity.class));
             return true;
         }
         return super.onOptionsItemSelected(item);
     }
 }