Implement request's redirect mode and RequestRedirect for Fetch

Source/platform/network/ResourceRequestTest.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 "ResourceRequest.h"
 
 #include "platform/network/FormData.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
@@ skipping 21 matching lines @@
     original.setReportUploadProgress(false);
     original.setHasUserGesture(false);
     original.setDownloadToFile(false);
     original.setSkipServiceWorker(false);
     original.setFetchRequestMode(WebURLRequest::FetchRequestModeCORS);
     original.setFetchCredentialsMode(WebURLRequest::FetchCredentialsModeSameOrigin);
     original.setRequestorID(30);
     original.setRequestorProcessID(40);
     original.setAppCacheHostID(50);
     original.setRequestContext(WebURLRequest::RequestContextAudio);
+    original.setFetchRedirectMode(WebURLRequest::FetchRedirectModeFollow);
     original.setFrameType(WebURLRequest::FrameTypeNested);
     original.setHTTPReferrer(Referrer("http://www.example.com/referrer.htm", ReferrerPolicyDefault));
 
     EXPECT_STREQ("http://www.example.com/test.htm", original.url().string().utf8().data());
     EXPECT_EQ(UseProtocolCachePolicy, original.cachePolicy());
     EXPECT_EQ(10, original.timeoutInterval());
     EXPECT_STREQ("http://www.example.com/first_party.htm", original.firstPartyForCookies().string().utf8().data());
     EXPECT_STREQ("GET", original.httpMethod().utf8().data());
     EXPECT_STREQ("Bar", original.httpHeaderFields().get("Foo").utf8().data());
     EXPECT_STREQ("Fuga", original.httpHeaderFields().get("Piyo").utf8().data());
     EXPECT_EQ(ResourceLoadPriorityLow, original.priority());
     EXPECT_STREQ("Test Body", original.httpBody()->flattenToString().utf8().data());
     EXPECT_FALSE(original.allowStoredCredentials());
     EXPECT_FALSE(original.reportUploadProgress());
     EXPECT_FALSE(original.hasUserGesture());
     EXPECT_FALSE(original.downloadToFile());
     EXPECT_FALSE(original.skipServiceWorker());
     EXPECT_EQ(WebURLRequest::FetchRequestModeCORS, original.fetchRequestMode());
     EXPECT_EQ(WebURLRequest::FetchCredentialsModeSameOrigin, original.fetchCredentialsMode());
     EXPECT_EQ(30, original.requestorID());
     EXPECT_EQ(40, original.requestorProcessID());
     EXPECT_EQ(50, original.appCacheHostID());
     EXPECT_EQ(WebURLRequest::RequestContextAudio, original.requestContext());
+    EXPECT_EQ(WebURLRequest::FetchRedirectModeFollow, original.fetchRedirectMode());
     EXPECT_EQ(WebURLRequest::FrameTypeNested, original.frameType());
     EXPECT_STREQ("http://www.example.com/referrer.htm", original.httpReferrer().utf8().data());
     EXPECT_EQ(ReferrerPolicyDefault, original.referrerPolicy());
 
     OwnPtr<CrossThreadResourceRequestData> data1(original.copyData());
     OwnPtr<ResourceRequest> copy1(ResourceRequest::adopt(data1.release()));
 
     EXPECT_STREQ("http://www.example.com/test.htm", copy1->url().string().utf8().data());
     EXPECT_EQ(UseProtocolCachePolicy, copy1->cachePolicy());
     EXPECT_EQ(10, copy1->timeoutInterval());
@@ skipping 40 matching lines @@
 {
     ResourceRequest original;
     EXPECT_FALSE(original.hasUserGesture());
     original.setHasUserGesture(true);
     EXPECT_TRUE(original.hasUserGesture());
     original.setHasUserGesture(false);
     EXPECT_TRUE(original.hasUserGesture());
 }
 
 } // namespace blink