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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // IPC messages for the AEC dump.
      6 // Multiply-included message file, hence no include guard.
      7 
      8 #include "content/common/content_export.h"
      9 #include "ipc/ipc_message_macros.h"
     10 #include "ipc/ipc_platform_file.h"
     11 
     12 #undef IPC_MESSAGE_EXPORT
     13 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
     14 #define IPC_MESSAGE_START AecDumpMsgStart
     15 
     16 // Messages sent from the browser to the renderer.
     17 
     18 // The browser hands over a file handle to the consumer in the renderer
     19 // identified by |id| to use for AEC dump.
     20 IPC_MESSAGE_CONTROL2(AecDumpMsg_EnableAecDump,
     21                      int /* id */,
     22                      IPC::PlatformFileForTransit /* file_handle */)
     23 
     24 // Tell the renderer to disable AEC dump in all consumers.
     25 IPC_MESSAGE_CONTROL0(AecDumpMsg_DisableAecDump)
     26 
     27 // Messages sent from the renderer to the browser.
     28 
     29 // Registers a consumer with the browser. The consumer will then get a file
     30 // handle when the dump is enabled.
     31 IPC_MESSAGE_CONTROL1(AecDumpMsg_RegisterAecDumpConsumer,
     32                      int /* id */)
     33 
     34 // Unregisters a consumer with the browser.
     35 IPC_MESSAGE_CONTROL1(AecDumpMsg_UnregisterAecDumpConsumer,
     36                      int /* id */)
     37