| Index: chrome/common/extensions/extension_manifest_constants.cc
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| diff --git a/chrome/common/extensions/extension_manifest_constants.cc b/chrome/common/extensions/extension_manifest_constants.cc
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| index d1fa89eea4aea30401ed018fbafc2817f11bc03f..67bef539a216ed77336d8e3c8b175cbae8b6c8d3 100644
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| --- a/chrome/common/extensions/extension_manifest_constants.cc
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| +++ b/chrome/common/extensions/extension_manifest_constants.cc
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| @@ -455,6 +455,10 @@ const char kOneUISurfaceOnly[] =
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|      "Only one of 'browser_action', 'page_action', and 'app' can be specified.";
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|  const char kPermissionNotAllowed[] =
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|      "Access to permission '*' denied.";
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| +const char kPlatformAppFlagRequired[] =
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| +    "Loading platform_app extension type is turned off by default. "
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| +    "You can enable this type with the --enable-platform-apps "
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| +    "command-line flag.";
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|  const char kReservedMessageFound[] =
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|      "Reserved key * found in message catalog.";
 | 
|  #if defined(OS_CHROMEOS)
 | 
| 
 |