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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // A handful of resource-like constants related to the Chrome application. | 5 // A handful of resource-like constants related to the Chrome application. |
6 | 6 |
7 #ifndef CHROME_COMMON_CHROME_CONSTANTS_H_ | 7 #ifndef CHROME_COMMON_CHROME_CONSTANTS_H_ |
8 #define CHROME_COMMON_CHROME_CONSTANTS_H_ | 8 #define CHROME_COMMON_CHROME_CONSTANTS_H_ |
9 | 9 |
10 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
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104 // Are touch icons enabled? False by default. | 104 // Are touch icons enabled? False by default. |
105 extern const bool kEnableTouchIcon; | 105 extern const bool kEnableTouchIcon; |
106 | 106 |
107 // Fraction of the total number of processes to be used for hosting | 107 // Fraction of the total number of processes to be used for hosting |
108 // extensions. If we have more extensions than this percentage, we will start | 108 // extensions. If we have more extensions than this percentage, we will start |
109 // combining extensions in existing processes. This allows web pages to have | 109 // combining extensions in existing processes. This allows web pages to have |
110 // enough render processes and not be starved when a lot of extensions are | 110 // enough render processes and not be starved when a lot of extensions are |
111 // installed. | 111 // installed. |
112 extern const float kMaxShareOfExtensionProcesses; | 112 extern const float kMaxShareOfExtensionProcesses; |
113 | 113 |
| 114 // This is used by the PreRead experiment. |
| 115 extern const char kPreReadEnvironmentVariable[]; |
| 116 |
114 #if defined(OS_LINUX) | 117 #if defined(OS_LINUX) |
115 // The highest and lowest assigned OOM score adjustment | 118 // The highest and lowest assigned OOM score adjustment |
116 // (oom_score_adj) used by the OomPriority Manager. | 119 // (oom_score_adj) used by the OomPriority Manager. |
117 extern const int kLowestRendererOomScore; | 120 extern const int kLowestRendererOomScore; |
118 extern const int kHighestRendererOomScore; | 121 extern const int kHighestRendererOomScore; |
119 #endif | 122 #endif |
120 | 123 |
121 #if defined(OS_WIN) | 124 #if defined(OS_WIN) |
122 // This is used by the PreRead experiment. | |
123 extern const char kPreReadEnvironmentVariable[]; | |
124 // Used by Metro Chrome to create the profile under a custom subdirectory. | 125 // Used by Metro Chrome to create the profile under a custom subdirectory. |
125 extern const wchar_t kMetroChromeUserDataSubDir[]; | 126 extern const wchar_t kMetroChromeUserDataSubDir[]; |
126 // Used by Metro Chrome to initiate navigation and search requests. | 127 // Used by Metro Chrome to initiate navigation and search requests. |
127 extern const wchar_t kMetroNavigationAndSearchMessage[]; | 128 extern const wchar_t kMetroNavigationAndSearchMessage[]; |
128 // Used by Metro Chrome to get information about the current tab. | 129 // Used by Metro Chrome to get information about the current tab. |
129 extern const wchar_t kMetroGetCurrentTabInfoMessage[]; | 130 extern const wchar_t kMetroGetCurrentTabInfoMessage[]; |
130 // Used by Metro Chrome to store activation state. | 131 // Used by Metro Chrome to store activation state. |
131 extern const wchar_t kMetroRegistryPath[]; | 132 extern const wchar_t kMetroRegistryPath[]; |
132 extern const wchar_t kLaunchModeValue[]; | 133 extern const wchar_t kLaunchModeValue[]; |
133 // Used by the browser as a container in which to track unreported crash dump | 134 // Used by the browser as a container in which to track unreported crash dump |
134 // attempts. The actual values (each representing one crash dump attempt) are | 135 // attempts. The actual values (each representing one crash dump attempt) are |
135 // stored in a subkey named with the version number of the build. Each value | 136 // stored in a subkey named with the version number of the build. Each value |
136 // under the subkey represents an additional attempt. | 137 // under the subkey represents an additional attempt. |
137 extern const wchar_t kBrowserCrashDumpAttemptsRegistryPath[]; | 138 extern const wchar_t kBrowserCrashDumpAttemptsRegistryPath[]; |
138 #endif | 139 #endif |
139 | 140 |
140 #if defined(OS_CHROMEOS) | 141 #if defined(OS_CHROMEOS) |
141 // Chrome OS profile directories have custom prefix. | 142 // Chrome OS profile directories have custom prefix. |
142 // Profile path format: [user_data_dir]/u-[$hash] | 143 // Profile path format: [user_data_dir]/u-[$hash] |
143 // Ex.: /home/chronos/u-0123456789 | 144 // Ex.: /home/chronos/u-0123456789 |
144 extern const char kProfileDirPrefix[]; | 145 extern const char kProfileDirPrefix[]; |
145 #endif | 146 #endif |
146 | 147 |
147 // Used to identify the application to the system AV function in Windows. | 148 // Used to identify the application to the system AV function in Windows. |
148 extern const char kApplicationClientIDStringForAVScanning[]; | 149 extern const char kApplicationClientIDStringForAVScanning[]; |
149 | 150 |
150 } // namespace chrome | 151 } // namespace chrome |
151 | 152 |
152 #endif // CHROME_COMMON_CHROME_CONSTANTS_H_ | 153 #endif // CHROME_COMMON_CHROME_CONSTANTS_H_ |
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