| Index: chrome/common/extensions/extension_messages.h | 
| diff --git a/chrome/common/extensions/extension_messages.h b/chrome/common/extensions/extension_messages.h | 
| index 69575e9a97f31417970b66e0a270dc8da1cae757..f2f5c3449e4820adcd44c2998e6a70a77301b1ef 100644 | 
| --- a/chrome/common/extensions/extension_messages.h | 
| +++ b/chrome/common/extensions/extension_messages.h | 
| @@ -166,21 +166,14 @@ IPC_MESSAGE_ROUTED4(ExtensionMsg_MessageInvoke, | 
| IPC_MESSAGE_CONTROL1(ExtensionMsg_SetFunctionNames, | 
| std::vector<std::string>) | 
|  | 
| -// TODO(aa): SetAPIPermissions, SetHostPermissions, and possibly | 
| -// UpdatePageActions should be replaced with just sending additional data in | 
| -// ExtensionLoaded. See: crbug.com/70516. | 
| - | 
| -// Tell the renderer process which permissions the given extension has. See | 
| -// Extension::Permissions for which elements correspond to which permissions. | 
| -IPC_MESSAGE_CONTROL2(ExtensionMsg_SetAPIPermissions, | 
| -                     std::string /* extension_id */, | 
| -                     std::set<std::string> /* permissions */) | 
| - | 
| -// Tell the renderer process which host permissions the given extension has. | 
| -IPC_MESSAGE_CONTROL2(ExtensionMsg_SetHostPermissions, | 
| -                     GURL /* source extension's origin */, | 
| -                     /* URLPatterns the extension can access */ | 
| -                     std::vector<URLPattern>) | 
| +// Marks an extension as 'active' in an extension process. 'Active' extensions | 
| +// have more privileges than other extension content that might end up running | 
| +// in the process (e.g. because of iframes or content scripts). | 
| +IPC_MESSAGE_CONTROL1(ExtensionMsg_ActivateExtension, | 
| +                     std::string /* extension_id */) | 
| + | 
| +// TODO(aa): UpdatePageActions might be replaced with just sending additional | 
| +// data in ExtensionLoaded. See: crbug.com/70516. | 
|  | 
| // Tell the renderer process all known page action ids for a particular | 
| // extension. | 
|  |