When starting a provisional load, indicate whether the provisional URL is about:srcdoc

content/public/common/url_constants.h

 // Copyright (c) 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 CONTENT_PUBLIC_COMMON_URL_CONSTANTS_H_
 #define CONTENT_PUBLIC_COMMON_URL_CONSTANTS_H_
 
 #include "content/common/content_export.h"
 
 // Contains constants for known URLs and portions thereof.
@@ skipping 18 matching lines @@
 CONTENT_EXPORT extern const char kHttpScheme[];
 CONTENT_EXPORT extern const char kHttpsScheme[];
 CONTENT_EXPORT extern const char kJavaScriptScheme[];
 CONTENT_EXPORT extern const char kMailToScheme[];
 CONTENT_EXPORT extern const char kMetadataScheme[];
 CONTENT_EXPORT extern const char kSwappedOutScheme[];
 CONTENT_EXPORT extern const char kViewSourceScheme[];
 
 // Hosts for about URLs.
 CONTENT_EXPORT extern const char kAboutBlankURL[];
+CONTENT_EXPORT extern const char kAboutSrcDocURL[];
 CONTENT_EXPORT extern const char kChromeUIAppCacheInternalsHost[];
 CONTENT_EXPORT extern const char kChromeUIBlobInternalsHost[];
 CONTENT_EXPORT extern const char kChromeUIBrowserCrashHost[];
 CONTENT_EXPORT extern const char kChromeUINetworkViewCacheHost[];
 CONTENT_EXPORT extern const char kChromeUITcmallocHost[];
 CONTENT_EXPORT extern const char kChromeUIHistogramHost[];
 
 // Full about URLs (including schemes).
 CONTENT_EXPORT extern const char kChromeUICrashURL[];
 CONTENT_EXPORT extern const char kChromeUIGpuCleanURL[];
@@ skipping 19 matching lines @@
 // Special URL used to swap out a view being rendered by another process.
 extern const char kSwappedOutURL[];
 
 // Null terminated list of schemes that are savable. This function can be
 // invoked on any thread.
 CONTENT_EXPORT const char* const* GetSavableSchemes();
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_URL_CONSTANTS_H_