Share PPAPI out-of-process plugins between renderer processes....

ppapi/proxy/ppapi_messages_internal.h

 // Copyright (c) 2010 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.
 
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/ipc/gpu_command_buffer_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "ppapi/c/dev/pp_file_info_dev.h"
 #include "ppapi/c/ppb_var.h"
 
 #define IPC_MESSAGE_START PpapiMsgStart
 
 // These are from the plugin to the renderer
 // Loads the given plugin.
-IPC_MESSAGE_CONTROL3(PpapiMsg_LoadPlugin,
+IPC_MESSAGE_CONTROL1(PpapiMsg_LoadPlugin, FilePath /* path */)
+
+// Creates a channel to talk to a renderer. The plugin will respond with
+// PpapiHostMsg_ChannelCreated.
+IPC_MESSAGE_CONTROL2(PpapiMsg_CreateChannel,
                      base::ProcessHandle /* host_process_handle */,
-                     FilePath /* path */,
-                     int /* renderer_id */)
-
-IPC_SYNC_MESSAGE_CONTROL1_1(PpapiMsg_InitializeModule,
-                            PP_Module /* module_id */,
-                            bool /* result */)
-
-IPC_MESSAGE_CONTROL0(PpapiMsg_Shutdown)
+                     int /* renderer_id */);
 
 // Sent in both directions to see if the other side supports the given
 // interface.
 IPC_SYNC_MESSAGE_CONTROL1_1(PpapiMsg_SupportsInterface,
                             std::string /* interface_name */,
                             bool /* result */)
 
 IPC_MESSAGE_CONTROL2(PpapiMsg_ExecuteCallback,
                      uint32 /* serialized_callback */,
                      int32 /* param */)
@@ skipping 110 matching lines @@
 // (Messages from browser to plugin to notify it of changes in state.)
 IPC_MESSAGE_ROUTED1(PpapiMsg_PPBURLLoader_UpdateProgress,
                     pp::proxy::PPBURLLoader_UpdateProgress_Params /* params */)
 IPC_MESSAGE_ROUTED3(PpapiMsg_PPBURLLoader_ReadResponseBody_Ack,
                     pp::proxy::HostResource /* loader */,
                     int32 /* result */,
                     std::string /* data */)
 
 // -----------------------------------------------------------------------------
 // These are from the plugin to the renderer.
-// Reply to PpapiMsg_LoadPlugin.
-IPC_MESSAGE_CONTROL1(PpapiHostMsg_PluginLoaded,
+
+// Reply to PpapiMsg_CreateChannel. The handle will be NULL if the channel
+// could not be established. This could be because the IPC could not be created
+// for some weird reason, but more likely that the plugin failed to load or
+// initialize properly.
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_ChannelCreated,
                      IPC::ChannelHandle /* handle */)
 
 // PPB_Audio.
 IPC_SYNC_MESSAGE_ROUTED2_1(PpapiHostMsg_PPBAudio_Create,
                            PP_Instance /* instance_id */,
                            pp::proxy::HostResource /* config_id */,
                            pp::proxy::HostResource /* result */)
 IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBAudio_StartOrStop,
                     pp::proxy::HostResource /* audio_id */,
                     bool /* play */)
@@ skipping 411 matching lines @@
 IPC_SYNC_MESSAGE_ROUTED2_2(PpapiHostMsg_PPBVar_IsInstanceOfDeprecated,
                            pp::proxy::SerializedVar /* var */,
                            int64 /* object_class */,
                            int64 /* object-data */,
                            PP_Bool /* result */)
 IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBVar_CreateObjectDeprecated,
                            PP_Instance /* instance */,
                            int64 /* object_class */,
                            int64 /* object_data */,
                            pp::proxy::SerializedVar /* result */)