Implemented declarative redirects to transparent image and empty document.

chrome/test/data/extensions/api_test/webrequest/test_declarative.js

 // Copyright (c) 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.
 
 var onRequest = chrome.declarativeWebRequest.onRequest;
 var RequestMatcher = chrome.declarativeWebRequest.RequestMatcher;
 var CancelRequest = chrome.declarativeWebRequest.CancelRequest;
 var RedirectRequest = chrome.declarativeWebRequest.RedirectRequest;
+var RedirectToTransparentImage =
+    chrome.declarativeWebRequest.RedirectToTransparentImage;
+var RedirectToEmptyDocument =
+    chrome.declarativeWebRequest.RedirectToEmptyDocument;
 
 function getURLHttpSimple() {
   return getServerURL("files/extensions/api_test/webrequest/simpleLoad/a.html");
 }
 
 function getURLHttpComplex() {
   return getServerURL(
       "files/extensions/api_test/webrequest/complexLoad/a.html");
 }
 
+function getURLHttpRedirectTest() {
+  return getServerURL(
+      "files/extensions/api_test/webrequest/declarative/a.html");
+}
+
 runTests([
   function testCancelRequest() {
     ignoreUnexpected = true;
     expect(
       [
         { label: "onErrorOccurred",
           event: "onErrorOccurred",
           details: {
             url: getURLHttpSimple(),
             fromCache: false,
@@ skipping 62 matching lines @@
          "onCompleted"] ]);
 
     onRequest.addRules(
       [ {'conditions': [new RequestMatcher({'url': {'pathSuffix': ".html"}})],
          'actions': [
              new RedirectRequest({'redirectUrl': getURLHttpSimple()})]}
       ],
       function() {navigateAndWait(getURLHttpComplex());}
     );
   },
+
+  function testRedirectRequest2() {
+    ignoreUnexpected = true;
+    expect(
+      [
+        { label: "onCompleted",
+          event: "onCompleted",
+          details: {
+            ip: "127.0.0.1",
+            url: getURLHttpRedirectTest(),
+            fromCache: false,
+            statusCode: 200,
+            statusLine: "HTTP/1.0 200 OK",
+          }
+        },
+        // We cannot wait for onCompleted signals because these are not sent
+        // for data:// URLs.
+        { label: "onBeforeRedirect-1",
+          event: "onBeforeRedirect",
+          details: {
+            url: getServerURL(
+                "files/extensions/api_test/webrequest/declarative/image.png"),
+            redirectUrl: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEA" +
+                "AAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJ" +
+                "ggg==",
+            fromCache: false,
+            statusCode: -1,
+            statusLine: "",
+            type: "image",
+          }
+        },
+        { label: "onBeforeRedirect-2",
+          event: "onBeforeRedirect",
+          details: {
+            frameId: 1,
+            parentFrameId: 0,
+            url: getServerURL(
+                "files/extensions/api_test/webrequest/declarative/frame.html"),
+            redirectUrl: "data:text/html,",
+            fromCache: false,
+            statusCode: -1,
+            statusLine: "",
+            type: "sub_frame",
+          }
+        },
+      ],
+      [ ["onCompleted"], ["onBeforeRedirect-1"], ["onBeforeRedirect-2"] ]);
+
+    onRequest.addRules(
+      [ {'conditions': [
+             new RequestMatcher({'url': {'pathSuffix': "image.png"}})],
+         'actions': [new RedirectToTransparentImage()]},
+        {'conditions': [
+             new RequestMatcher({'url': {'pathSuffix': "frame.html"}})],
+         'actions': [new RedirectToEmptyDocument()]},
+      ],
+      function() {navigateAndWait(getURLHttpRedirectTest());}
+    );
+  },
   ]);