Introduce "navigate" mode in Requests

third_party/WebKit/public/platform/WebURLRequest.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 96 matching lines @@
         FrameTypeAuxiliary,
         FrameTypeNested,
         FrameTypeNone,
         FrameTypeTopLevel
     };
 
     enum FetchRequestMode {
         FetchRequestModeSameOrigin,
         FetchRequestModeNoCORS,
         FetchRequestModeCORS,
-        FetchRequestModeCORSWithForcedPreflight
+        FetchRequestModeCORSWithForcedPreflight,
+        FetchRequestModeNavigate
     };
 
     enum FetchCredentialsMode {
         FetchCredentialsModeOmit,
         FetchCredentialsModeSameOrigin,
         FetchCredentialsModeInclude
     };
 
     enum FetchRedirectMode {
         FetchRedirectModeFollow,
@@ skipping 191 matching lines @@
 protected:
     BLINK_PLATFORM_EXPORT void assign(WebURLRequestPrivate*);
 
 private:
     WebURLRequestPrivate* m_private;
 };
 
 } // namespace blink
 
 #endif