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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ | 5 #ifndef CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |
6 #define CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ | 6 #define CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |
7 | 7 |
8 #include "content/common/content_export.h" | 8 #include "content/common/content_export.h" |
9 #include "third_party/WebKit/public/platform/WebURLRequest.h" | 9 #include "third_party/WebKit/public/platform/WebURLRequest.h" |
10 | 10 |
11 #define STATIC_ASSERT_PREVIEWS_ENUM(a, b) \ | 11 #define STATIC_ASSERT_PREVIEWS_ENUM(a, b) \ |
12 static_assert(static_cast<int>(a) == static_cast<int>(b), \ | 12 static_assert(static_cast<int>(a) == static_cast<int>(b), \ |
13 "mismatching enums: " #a) | 13 "mismatching enums: " #a) |
14 | 14 |
15 namespace content { | 15 namespace content { |
16 | 16 |
17 // Chrome Proxy Previews header and directives. | |
18 const char kChromeProxyContentTransformHeader[] = | |
19 "chrome-proxy-content-transform"; | |
20 const char kChromeProxyEmptyImageDirective[] = "empty-image"; | |
21 const char kChromeProxyLitePageDirective[] = "lite-page"; | |
22 | |
23 typedef int PreviewsState; | 17 typedef int PreviewsState; |
24 | 18 |
25 // The Previews types which determines whether to request a Preview version of | 19 // The Previews types which determines whether to request a Preview version of |
26 // the resource. Previews are optimizations that change the format and | 20 // the resource. Previews are optimizations that change the format and |
27 // content of web pages to improve data savings and / or performance. This enum | 21 // content of web pages to improve data savings and / or performance. This enum |
28 // determines which Previews types to request. | 22 // determines which Previews types to request. |
29 enum PreviewsTypes { | 23 enum PreviewsTypes { |
30 PREVIEWS_UNSPECIFIED = 0, // Let the browser process decide whether or | 24 PREVIEWS_UNSPECIFIED = 0, // Let the browser process decide whether or |
31 // not to request Preview types. | 25 // not to request Preview types. |
32 SERVER_LOFI_ON = 1 << 0, // Request a Lo-Fi version of the resource | 26 SERVER_LOFI_ON = 1 << 0, // Request a Lo-Fi version of the resource |
(...skipping 27 matching lines...) Expand all Loading... |
60 blink::WebURLRequest::kServerLitePageOn); | 54 blink::WebURLRequest::kServerLitePageOn); |
61 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_NO_TRANSFORM, | 55 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_NO_TRANSFORM, |
62 blink::WebURLRequest::kPreviewsNoTransform); | 56 blink::WebURLRequest::kPreviewsNoTransform); |
63 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_OFF, blink::WebURLRequest::kPreviewsOff); | 57 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_OFF, blink::WebURLRequest::kPreviewsOff); |
64 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_STATE_LAST, | 58 STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_STATE_LAST, |
65 blink::WebURLRequest::kPreviewsStateLast); | 59 blink::WebURLRequest::kPreviewsStateLast); |
66 | 60 |
67 } // namespace content | 61 } // namespace content |
68 | 62 |
69 #endif // CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ | 63 #endif // CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |
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