Notify parent frame renderer when OOP child frame renderer crashes

content/common/frame_messages.h

 // Copyright 2013 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "content/common/frame_param.h"
 #include "content/public/common/common_param_traits.h"
@@ skipping 39 matching lines @@
 
 // Notifies the embedding frame that a new CompositorFrame is ready to be
 // presented. When the frame finishes presenting, a matching
 // FrameHostMsg_CompositorFrameSwappedACK should be sent back to the
 // RenderViewHost that was produced the CompositorFrame.
 //
 // This is used in the ubercomp compositing path.
 IPC_MESSAGE_ROUTED1(FrameMsg_CompositorFrameSwapped,
                     FrameMsg_CompositorFrameSwapped_Params /* params */)
 
+// Notifies the embedding frame that the process rendering the child frame's
+// contents has terminated.
+IPC_MESSAGE_ROUTED0(FrameMsg_ChildFrameProcessGone)
+
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
 // Sent by the renderer when a child frame is created in the renderer. The
 // |parent_frame_id| and |frame_id| are NOT routing ids. They are
 // renderer-allocated identifiers used for tracking a frame's creation.
 //
 // Each of these messages will have a corresponding FrameHostMsg_Detach message
 // sent when the frame is detached from the DOM.
 //
@@ skipping 89 matching lines @@
 // Indicates that the current frame has swapped out, after a SwapOut message.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_SwapOut_ACK)
 
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ReclaimCompositorResources,
                     FrameHostMsg_ReclaimCompositorResources_Params /* params */)
 
 // Instructs the frame to swap out for a cross-site transition, including
 // running the unload event handler. Expects a SwapOut_ACK message when
 // finished.
 IPC_MESSAGE_ROUTED0(FrameMsg_SwapOut)