diff options
Diffstat (limited to 'chrome/common/render_messages_internal.h')
| -rw-r--r-- | chrome/common/render_messages_internal.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h index 1654850..17e5689 100644 --- a/chrome/common/render_messages_internal.h +++ b/chrome/common/render_messages_internal.h @@ -1869,8 +1869,14 @@ IPC_BEGIN_MESSAGES(ViewHost) // On OSX, we cannot allocated shared memory from within the sandbox, so // this call exists for the renderer to ask the browser to allocate memory // on its behalf. We return a file descriptor to the POSIX shared memory. - IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_AllocTransportDIB, + // If the |cache_in_browser| flag is |true|, then a copy of the shmem is kept + // by the browser, and it is the caller's repsonsibility to send a + // ViewHostMsg_FreeTransportDIB message in order to release the cached shmem. + // In all cases, the caller is responsible for deleting the resulting + // TransportDIB. + IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_AllocTransportDIB, size_t, /* bytes requested */ + bool, /* cache in the browser */ TransportDIB::Handle /* DIB */) // Since the browser keeps handles to the allocated transport DIBs, this |