Allow renderer to create pepper ResourceHosts in the browser

ppapi/proxy/ppapi_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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
@@ skipping 1277 matching lines @@
     PpapiPluginMsg_ResourceReply,
     ppapi::proxy::ResourceMessageReplyParams /* reply_params */,
     IPC::Message /* nested_msg */)
 
 IPC_SYNC_MESSAGE_CONTROL2_2(PpapiHostMsg_ResourceSyncCall,
     ppapi::proxy::ResourceMessageCallParams /* call_params */,
     IPC::Message /* nested_msg */,
     ppapi::proxy::ResourceMessageReplyParams /* reply_params */,
     IPC::Message /* reply_msg */)
 
+// This message is sent from the renderer to the browser when it wants to create
+// a ResourceHost in the browser. It contains the process ID of the plugin and
+// the instance of the plugin for which to create the resource for. params
+// contains the sequence number for the message to track the response.
+// The nested message is a ResourceHost creation message.
+IPC_MESSAGE_CONTROL4(
+    PpapiHostMsg_CreateResourceHostFromHost,
+    int /* child_process_id */,
+    ppapi::proxy::ResourceMessageCallParams /* params */,
+    PP_Instance /* instance */,
+    IPC::Message /* nested_msg */)
+
+// This message is sent from the browser to the renderer when it has created a
+// ResourceHost for the renderer. It contains the sequence number that was sent
+// in the request and the ID of the pending ResourceHost which was created in
+// the browser. This ID is only useful for the plugin which can attach to the
+// ResourceHost in the browser.
+IPC_MESSAGE_CONTROL2(
+    PpapiHostMsg_CreateResourceHostFromHostReply,
+    int32_t /* sequence */,
+    int /* pending_host_id */)
+
 //-----------------------------------------------------------------------------
 // Messages for resources using call/reply above.
 
 // Broker ----------------------------------------------------------------------
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Broker_Create)
 
 // Queries whether the plugin has permission to connect to the Pepper broker.
 // The response is contained in the error value of the
 // ResourceMessageReplyParams in the reply message.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Broker_IsAllowed)
@@ skipping 588 matching lines @@
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_VideoSource_OpenReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoSource_GetFrame)
 IPC_MESSAGE_CONTROL4(PpapiPluginMsg_VideoSource_GetFrameReply,
                      ppapi::HostResource /* resource_id */,
                      PP_ImageDataDesc /* image_data_desc */,
                      int /* fd */,
                      PP_TimeTicks /* timestamp */)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoSource_Close)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)