Index: chrome/common/extensions/api/tab_capture.idl |
diff --git a/chrome/common/extensions/api/tab_capture.idl b/chrome/common/extensions/api/tab_capture.idl |
index cfca548cc1372f8cfa219e87ad67a4d982f72c31..dbd1d67af657c651e5125d9d1b583e8b73247063 100644 |
--- a/chrome/common/extensions/api/tab_capture.idl |
+++ b/chrome/common/extensions/api/tab_capture.idl |
@@ -47,7 +47,10 @@ namespace tabCapture { |
interface Functions { |
// Captures the visible area of the currently active tab. |
- // Extensions must have the "tabCapture" permission to use this method. |
+ // This method can only be used on the currently active page after the |
+ // extension has been <em>invoked</em>, similar to the way that |
+ // <a href="activeTab.html">activeTab</a> works. |
+ // Note that Chrome internal pages cannot be captured. |
// |options| : Configures the returned media stream. |
// |callback| : Callback with either the stream returned or null. |
static void capture(CaptureOptions options, |