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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #include "build/build_config.h" | 5 #include "build/build_config.h" |
6 #include "content/public/common/content_features.h" | 6 #include "content/public/common/content_features.h" |
7 | 7 |
8 namespace features { | 8 namespace features { |
9 | 9 |
10 // All features in alphabetical order. | 10 // All features in alphabetical order. |
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37 // load an external script. The feature extracts the written markup and sends it | 37 // load an external script. The feature extracts the written markup and sends it |
38 // to the preload scanner. | 38 // to the preload scanner. |
39 const base::Feature kDocumentWriteEvaluator{"DocumentWriteEvaluator", | 39 const base::Feature kDocumentWriteEvaluator{"DocumentWriteEvaluator", |
40 base::FEATURE_DISABLED_BY_DEFAULT}; | 40 base::FEATURE_DISABLED_BY_DEFAULT}; |
41 | 41 |
42 // Enables a blink::FontCache optimization that reuses a font to serve different | 42 // Enables a blink::FontCache optimization that reuses a font to serve different |
43 // size of font. | 43 // size of font. |
44 const base::Feature kFontCacheScaling{"FontCacheScaling", | 44 const base::Feature kFontCacheScaling{"FontCacheScaling", |
45 base::FEATURE_DISABLED_BY_DEFAULT}; | 45 base::FEATURE_DISABLED_BY_DEFAULT}; |
46 | 46 |
47 // Can main thread be pipelined with activation. Always disabled for devices | |
48 // with fewer than 4 cores irrespective of this flag. Can also be overridden by | |
49 // --enable(disable)-main-frame-before-activation command line flag. | |
50 const base::Feature kMainFrameBeforeActivation{ | |
51 "MainFrameBeforeActivation", base::FEATURE_DISABLED_BY_DEFAULT}; | |
52 | |
53 // FeatureList definition for trials to enable the download button on | 47 // FeatureList definition for trials to enable the download button on |
54 // MediaDocument. | 48 // MediaDocument. |
55 const base::Feature kMediaDocumentDownloadButton{ | 49 const base::Feature kMediaDocumentDownloadButton{ |
56 "MediaDocumentDownloadButton", | 50 "MediaDocumentDownloadButton", |
57 base::FEATURE_DISABLED_BY_DEFAULT | 51 base::FEATURE_DISABLED_BY_DEFAULT |
58 }; | 52 }; |
59 | 53 |
60 // Enable the material design playback UI for media elements. This is always | 54 // Enable the material design playback UI for media elements. This is always |
61 // on for OS_ANDROID, but may be enabled by experiment for other platforms. | 55 // on for OS_ANDROID, but may be enabled by experiment for other platforms. |
62 const base::Feature kNewMediaPlaybackUi{"NewMediaPlaybackUi", | 56 const base::Feature kNewMediaPlaybackUi{"NewMediaPlaybackUi", |
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157 #endif | 151 #endif |
158 | 152 |
159 #if defined(OS_WIN) | 153 #if defined(OS_WIN) |
160 // Emergency "off switch" for new Windows sandbox security mitigation, | 154 // Emergency "off switch" for new Windows sandbox security mitigation, |
161 // sandbox::MITIGATION_EXTENSION_POINT_DISABLE. | 155 // sandbox::MITIGATION_EXTENSION_POINT_DISABLE. |
162 const base::Feature kWinSboxDisableExtensionPoints{ | 156 const base::Feature kWinSboxDisableExtensionPoints{ |
163 "WinSboxDisableExtensionPoint", base::FEATURE_ENABLED_BY_DEFAULT}; | 157 "WinSboxDisableExtensionPoint", base::FEATURE_ENABLED_BY_DEFAULT}; |
164 #endif | 158 #endif |
165 | 159 |
166 } // namespace features | 160 } // namespace features |
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