Do not send IPC message to cancel Geolocation permission.

content/common/geolocation_messages.h

Index: content/common/geolocation_messages.h
diff --git a/content/common/geolocation_messages.h b/content/common/geolocation_messages.h
index 55b4bd7736825cec9404e2d0402597a0d273d118..f89424ceccc7e67caa5cb1d8917d5adc032a9ec5 100644
--- a/content/common/geolocation_messages.h
+++ b/content/common/geolocation_messages.h
@@ -44,23 +44,19 @@ IPC_MESSAGE_ROUTED1(GeolocationMsg_PositionUpdated,
 
 // The |bridge_id| representing |host| is requesting permission to access
 // geolocation position. This will be replied by GeolocationMsg_PermissionSet.
+// TODO(mlamouri): |origin| should be a security origin to guarantee that a
+// proper origin is passed.
 IPC_MESSAGE_ROUTED3(GeolocationHostMsg_RequestPermission,
                      int /* bridge_id */,
-                     GURL /* GURL of the frame requesting geolocation */,
+                     GURL /* origin in the frame requesting geolocation */,
                      bool /* user_gesture */)
 
-// The |bridge_id| representing |GURL| is cancelling its previous permission
-// request to access geolocation position.
-IPC_MESSAGE_ROUTED2(GeolocationHostMsg_CancelPermissionRequest,
-                    int /* bridge_id */,
-                    GURL /* GURL of the frame */)
-
 // The render view requests the Geolocation service to start updating.
 // This is an asynchronous call, and the browser process may eventually reply
 // with the updated geoposition, or an error (access denied, location
 // unavailable, etc.)
 IPC_MESSAGE_ROUTED2(GeolocationHostMsg_StartUpdating,
-                     GURL /* GURL of the frame requesting geolocation */,
+                     GURL /* origin in the frame requesting geolocation */,
                      bool /* enable_high_accuracy */)
 
 // The  render view requests Geolocation service to stop updating.