Create a broker interface for the new Mojo EDK so that the browser can create and duplicate messa...

content/common/child_process_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Common IPC messages used for child processes.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/memory/shared_memory.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "cc/resources/shared_bitmap_manager.h"
 #include "content/common/content_export.h"
 #include "content/common/host_discardable_shared_memory_manager.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_platform_file.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 
 #if defined(OS_MACOSX)
 #include "content/common/mac/io_surface_manager_token.h"
 #endif
 
 IPC_ENUM_TRAITS_MAX_VALUE(tracked_objects::ThreadData::Status,
                           tracked_objects::ThreadData::STATUS_LAST)
 
@@ skipping 96 matching lines @@
 IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats)
 #endif
 
 #if defined(OS_MACOSX)
 // Sent to child processes to tell them what token to use when registering
 // and/or acquiring IOSurfaces.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIOSurfaceManagerToken,
                      content::IOSurfaceManagerToken /* token */)
 #endif
 
+#if defined(OS_WIN)
+// Sends a pipe used by the child process to broker passing of Mojo handles.
+IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetMojoParentPipeHandle,
+                     IPC::PlatformFileForTransit /* handle */)
+#endif
+
 #if defined(USE_OZONE)
 // Sent to child processes to initialize ClientNativePixmapFactory using
 // a device file descriptor.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_InitializeClientNativePixmapFactory,
                      base::FileDescriptor /* device_fd */)
 #endif
 ////////////////////////////////////////////////////////////////////////////////
 // Messages sent from the child process to the browser.
 
 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest)
@@ skipping 74 matching lines @@
 IPC_SYNC_MESSAGE_CONTROL2_1(
     ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory,
     uint32 /* size */,
     content::DiscardableSharedMemoryId,
     base::SharedMemoryHandle)
 
 // Informs the browser that the child deleted a block of discardable shared
 // memory.
 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedDiscardableSharedMemory,
                      content::DiscardableSharedMemoryId)