Implement request's redirect mode and RequestRedirect for Fetch

Source/modules/fetch/RequestTest.cpp

 // 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.
 
 #include "config.h"
 #include "modules/fetch/Request.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/Document.h"
@@ skipping 51 matching lines @@
 
     const KURL url(ParsedURLString, "http://www.example.com/");
     const String method = "GET";
     struct {
         const char* key;
         const char* value;
     } headers[] = { {"X-Foo", "bar"}, {"X-Quux", "foop"}, {0, 0} };
     const String referrer = "http://www.referrer.com/";
     const WebReferrerPolicy referrerPolicy = WebReferrerPolicyAlways;
     const WebURLRequest::RequestContext context = WebURLRequest::RequestContextAudio;
+    const WebURLRequest::FetchRedirectMode redirect = WebURLRequest::FetchRedirectModeFollow;
 
     webRequest.setURL(url);
     webRequest.setMethod(method);
     webRequest.setRequestContext(context);
+    webRequest.setRedirectMode(redirect);
     for (int i = 0; headers[i].key; ++i)
         webRequest.setHeader(WebString::fromUTF8(headers[i].key), WebString::fromUTF8(headers[i].value));
     webRequest.setReferrer(referrer, referrerPolicy);
 
     Request* request = Request::create(executionContext(), webRequest);
     ASSERT(request);
     EXPECT_EQ(url, request->url());
     EXPECT_EQ(method, request->method());
     EXPECT_EQ("audio", request->context());
+    EXPECT_EQ("follow", request->redirect());
     EXPECT_EQ(referrer, request->referrer());
 
     Headers* requestHeaders = request->headers();
 
     WTF::HashMap<String, String> headersMap;
     for (int i = 0; headers[i].key; ++i)
         headersMap.add(headers[i].key, headers[i].value);
     EXPECT_EQ(headersMap.size(), requestHeaders->headerList()->size());
     for (WTF::HashMap<String, String>::iterator iter = headersMap.begin(); iter != headersMap.end(); ++iter) {
         TrackExceptionState exceptionState;
         EXPECT_EQ(iter->value, requestHeaders->get(iter->key, exceptionState));
         EXPECT_FALSE(exceptionState.hadException());
     }
 
     WebServiceWorkerRequest secondWebRequest;
     request->populateWebServiceWorkerRequest(secondWebRequest);
     EXPECT_EQ(url, KURL(secondWebRequest.url()));
     EXPECT_EQ(method, String(secondWebRequest.method()));
     EXPECT_EQ(context, secondWebRequest.requestContext());
+    EXPECT_EQ(redirect, secondWebRequest.redirectMode());
     EXPECT_EQ(referrer, KURL(secondWebRequest.referrerUrl()));
     EXPECT_EQ(referrerPolicy, secondWebRequest.referrerPolicy());
     EXPECT_EQ(webRequest.headers(), secondWebRequest.headers());
 }
 
 TEST_F(ServiceWorkerRequestTest, ToWebRequestStripsURLFragment)
 {
     TrackExceptionState exceptionState;
     String urlWithoutFragment = "http://www.example.com/";
     String url = urlWithoutFragment + "#fragment";
     Request* request = Request::create(scriptState(), url, exceptionState);
     ASSERT(request);
 
     WebServiceWorkerRequest webRequest;
     request->populateWebServiceWorkerRequest(webRequest);
     EXPECT_EQ(urlWithoutFragment, KURL(webRequest.url()));
 }
 
 } // namespace
 } // namespace blink