| Index: content/common/frame_messages.h
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| diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
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| index c8b01cb8bafc151a02ef9136f9e9fcb88bf3a3fd..bad22c29364b289e4e5a64e1ce35342cd3958b8e 100644
 | 
| --- a/content/common/frame_messages.h
 | 
| +++ b/content/common/frame_messages.h
 | 
| @@ -1437,6 +1437,9 @@ IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateViewportIntersection,
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|  // Informs the child that the frame has changed visibility.
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|  IPC_MESSAGE_ROUTED1(FrameHostMsg_VisibilityChanged, bool /* visible */)
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|  
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| +// Sets or unsets the inert bit on a remote frame.
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| +IPC_MESSAGE_ROUTED1(FrameHostMsg_SetIsInert, bool /* inert */)
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| +
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|  // Indicates that this frame recieved a user gesture, so that the state can be
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|  // propagated to any remote frames.
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|  IPC_MESSAGE_ROUTED0(FrameHostMsg_SetHasReceivedUserGesture)
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| 
 |