| // 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 CHROME_BROWSER_PRERENDER_PRERENDER_ORIGIN_H_ |
| #define CHROME_BROWSER_PRERENDER_PRERENDER_ORIGIN_H_ |
| |
| namespace prerender { |
| |
| // Origin indicates what caused the prerender. |
| // NOTE: New values need to be appended, since they are used in histograms. |
| enum Origin { |
| // Obsolete: ORIGIN_LINK_REL_PRERENDER = 0, |
| // Obsolete: ORIGIN_OMNIBOX_ORIGINAL = 1, |
| ORIGIN_GWS_PRERENDER = 2, |
| // Obsolete: ORIGIN_OMNIBOX_CONSERVATIVE = 3, |
| // Obsolete: ORIGIN_OMNIBOX_EXACT = 4, |
| ORIGIN_OMNIBOX = 5, |
| ORIGIN_NONE = 6, |
| ORIGIN_LINK_REL_PRERENDER_SAMEDOMAIN = 7, |
| ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN = 8, |
| // Obsolete: ORIGIN_LOCAL_PREDICTOR = 9, |
| ORIGIN_EXTERNAL_REQUEST = 10, |
| // Obsolete: ORIGIN_INSTANT = 11, |
| ORIGIN_LINK_REL_NEXT = 12, |
| ORIGIN_EXTERNAL_REQUEST_FORCED_PRERENDER = 13, |
| // Obsolete: ORIGIN_OFFLINE = 14, |
| ORIGIN_MAX = 15, |
| }; |
| |
| // Return a human-readable name for |origin|. |
| const char* NameFromOrigin(Origin origin); |
| |
| } // namespace prerender |
| |
| #endif // CHROME_BROWSER_PRERENDER_PRERENDER_ORIGIN_H_ |
