PlzNavigate: Expose blink to content enum type converters.

content/child/web_url_request_util.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEB_URL_REQUEST_UTIL_H_
 #define CONTENT_CHILD_WEB_URL_REQUEST_UTIL_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
 #include "content/common/resource_request_body.h"
+#include "content/common/service_worker/service_worker_types.h"
+#include "content/public/common/request_context_frame_type.h"
+#include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_type.h"
 
 namespace blink {
 class WebURL;
 class WebURLRequest;
 struct WebURLError;
 }
 
 namespace content {
 
 CONTENT_EXPORT ResourceType WebURLRequestToResourceType(
     const blink::WebURLRequest& request);
 
 std::string GetWebURLRequestHeaders(const blink::WebURLRequest& request);
 
 int GetLoadFlagsForWebURLRequest(const blink::WebURLRequest& request);
 
 // Takes a WebURLRequest and sets the appropriate information
 // in a ResourceRequestBody structure. Returns an empty scoped_refptr
 // if the request body is not present.
 scoped_refptr<ResourceRequestBody> GetRequestBodyForWebURLRequest(
     const blink::WebURLRequest& request);
 
+// Helper functions to convert enums from the blink type to the content
+// type.
+FetchRequestMode GetFetchRequestModeForWebURLRequest(
+    const blink::WebURLRequest& request);
+FetchCredentialsMode GetFetchCredentialsModeForWebURLRequest(
+    const blink::WebURLRequest& request);
+FetchRedirectMode GetFetchRedirectModeForWebURLRequest(
+    const blink::WebURLRequest& request);
+RequestContextFrameType GetRequestContextFrameTypeForWebURLRequest(
+    const blink::WebURLRequest& request);
+RequestContextType GetRequestContextTypeForWebURLRequest(
+    const blink::WebURLRequest& request);
+
 // Generates a WebURLError based on |reason|.
 blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url,
                                      bool stale_copy_in_cache,
                                      int reason);
 
 // Generates a WebURLError based on |reason|.
 blink::WebURLError CreateWebURLError(const blink::WebURL& unreachable_url,
                                      bool stale_copy_in_cache,
                                      int reason,
                                      bool was_ignored_by_handler);
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEB_URL_REQUEST_UTIL_H_