Cross-process postMessage

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index cc7bf74e03190e346bf1a5cca8e487e9ff08c5df..c0e3c889d6e9b3895231a5bda16e84915777048d 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -569,6 +569,9 @@ IPC_STRUCT_BEGIN(ViewMsg_SwapOut_Params)
   // cross-site transition. This is *not* a route_id, but the request that we
   // will resume once the ACK from the closing view has been received.
   IPC_STRUCT_MEMBER(int, new_request_id)
+
+  // The identifier of the ContentFrame we are becoming a proxy for.
+  IPC_STRUCT_MEMBER(int64, content_frame_id)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewMsg_Navigate_Params)
@@ -637,12 +640,27 @@ IPC_STRUCT_BEGIN(ViewMsg_New_Params)
   // The name of the frame associated with this view (or empty if none).
   IPC_STRUCT_MEMBER(string16, frame_name)
 
+  // The route ID of the opener RenderView if we need to set one
+  // (MSG_ROUTING_NONE otherwise)
+  IPC_STRUCT_MEMBER(int, opener_route_id)
+
   // The initial page ID to use for this view, which must be larger than any
   // existing navigation that might be loaded in the view.  Page IDs are unique
   // to a view and are only updated by the renderer after this initial value.
   IPC_STRUCT_MEMBER(int32, next_page_id)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(ViewMsg_PostMessage_Params)
+  // The serialized script value
+  IPC_STRUCT_MEMBER(string16, data)
+
+  // The source origin
+  IPC_STRUCT_MEMBER(string16, source_origin)
+
+  // The target origin
+  IPC_STRUCT_MEMBER(string16, target_origin)
+IPC_STRUCT_END()
+
 // Messages sent from the browser to the renderer.
 
 // Sent to the RenderView when a new tab is swapped into an existing
@@ -1968,3 +1986,11 @@ IPC_MESSAGE_ROUTED0(ViewHostMsg_LockMouse)
 // whenever the mouse is unlocked (which may or may not be caused by
 // ViewHostMsg_UnlockMouse).
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
+
+IPC_MESSAGE_CONTROL2(ViewHostMsg_SendPostMessage,
+                    int64 /* browsing_process_frame_id */,
+                    ViewMsg_PostMessage_Params)
+
+IPC_MESSAGE_ROUTED2(ViewMsg_PostMessage,
+                    int64 /* frame_id */,
+                    ViewMsg_PostMessage_Params)