Upstream most of ios/web/net

ios/web/net/crw_request_tracker_delegate.h

Index: ios/web/net/crw_request_tracker_delegate.h
diff --git a/ios/web/net/crw_request_tracker_delegate.h b/ios/web/net/crw_request_tracker_delegate.h
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+// Copyright 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.
+
+#ifndef IOS_WEB_NET_CRW_REQUEST_TRACKER_DELEGATE_H_
+#define IOS_WEB_NET_CRW_REQUEST_TRACKER_DELEGATE_H_
+
+#include <vector>
+
+#include "net/cert/cert_status_flags.h"
+
+class GURL;
+
+namespace net {
+class HttpResponseHeaders;
+class SSLInfo;
+class X509Certificate;
+}
+
+namespace web {
+struct SSLStatus;
+}
+
+// All the methods in this protocol must be sent on the main thread.
+@protocol CRWRequestTrackerDelegate
+
+// Returns |YES| of all the requests are static file requests and returns |NO|
+// if all the requests are network requests. Note it is not allowed for a
+// |CRWRequestTrackerDelegate| to send both static file requests and network
+// requests.
+- (BOOL)isForStaticFileRequests;
+
+// The tracker calls this method every time there is a change in the SSL status
+// of a page. The info is whatever object was passed to TrimToURL().
+- (void)updatedSSLStatus:(const web::SSLStatus&)sslStatus
+              forPageUrl:(const GURL&)url
+                userInfo:(id)userInfo;
+
+// The tracker calls this method when it receives response headers.
+- (void)handleResponseHeaders:(net::HttpResponseHeaders*)headers
+                   requestUrl:(const GURL&)requestUrl;
+
+// This method is called when a network request has an issue with the SSL
+// connection to present it to the user. The user will decide if the request
+// should continue or not and the callback should be invoked to let the backend
+// know.
+// If the callback is not called the request will be cancelled on the next call
+// to TrimToURL().
+// The callback is safe to call until the requestTracker it originated from
+// is deleted.
+typedef void (^SSLErrorCallback)(BOOL);
+- (void)presentSSLError:(const net::SSLInfo&)info
+           forSSLStatus:(const web::SSLStatus&)status
+                  onUrl:(const GURL&)url
+            recoverable:(BOOL)recoverable
+               callback:(SSLErrorCallback)shouldContinue;
+
+// Update the progress.
+- (void)updatedProgress:(float)progress;
+
+// This method is called when a certificate with an error is in use.
+- (void)certificateUsed:(net::X509Certificate*)certificate
+                forHost:(const std::string&)host
+                 status:(net::CertStatus)status;
+
+// Called when all the active allowed certificates need to be cleared. This
+// happens during the TrimToURL(), which corresponds to a navigation.
+- (void)clearCertificates;
+@end
+
+#endif  // IOS_WEB_NET_CRW_REQUEST_TRACKER_DELEGATE_H_