3D Compositing in <browser>, first draft.

content/common/browser_plugin_messages.h

Index: content/common/browser_plugin_messages.h
diff --git a/content/common/browser_plugin_messages.h b/content/common/browser_plugin_messages.h
index 6f55729f9308e289add2ad6e710cebca996ae299..c8190f8a7c8e6ead770934f8ab5b3b5164e5c9bf 100644
--- a/content/common/browser_plugin_messages.h
+++ b/content/common/browser_plugin_messages.h
@@ -8,6 +8,7 @@
 
 #include "base/basictypes.h"
 #include "base/process.h"
+#include "content/common/browser_plugin_info.h"
 #include "content/common/content_export.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_channel_handle.h"
@@ -23,6 +24,20 @@
 // -----------------------------------------------------------------------------
 // These messages are from the embedder to the browser process
 
+IPC_STRUCT_TRAITS_BEGIN(BrowserPluginHostMsg_Surface_Params)
+  IPC_STRUCT_TRAITS_MEMBER(gpu_process_id)
+  IPC_STRUCT_TRAITS_MEMBER(client_id)
+  IPC_STRUCT_TRAITS_MEMBER(context_id)
+  IPC_STRUCT_TRAITS_MEMBER(texture_id[0])
+  IPC_STRUCT_TRAITS_MEMBER(texture_id[1])
+  IPC_STRUCT_TRAITS_MEMBER(sync_point)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_BEGIN(BrowserPlugin_SwapInfo)
+  IPC_STRUCT_MEMBER(int, route_id)
+  IPC_STRUCT_MEMBER(int, gpu_host_id)
+IPC_STRUCT_END()
+
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_SetFocus,
                     int /* container_instance_id */,
                     bool /* enable */)
@@ -41,10 +56,15 @@ IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_UpdateRect_ACK,
 // A renderer sends this to the browser process when it wants to
 // create a browser plugin.  The browser will a guest renderer process
 // if necessary.
-IPC_MESSAGE_ROUTED3(BrowserPluginHostMsg_NavigateFromEmbedder,
+IPC_MESSAGE_ROUTED4(BrowserPluginHostMsg_NavigateFromEmbedder,
                     int /* plugin instance id*/,
                     long long /* frame id */,
-                    std::string /* src */)
+                    std::string /* src */,
+                    BrowserPluginHostMsg_Surface_Params /* surface params */)
+
+IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_BuffersSwappedACK,
+                    BrowserPlugin_SwapInfo /* info */,
+                    uint32 /* sync_point */)
 
 // -----------------------------------------------------------------------------
 // These messages are from the guest renderer to the browser process
@@ -108,6 +128,11 @@ IPC_MESSAGE_CONTROL2(BrowserPluginMsg_AdvanceFocus,
                      int /* instance_id */,
                      bool /* reverse */)
 
+IPC_MESSAGE_CONTROL3(BrowserPluginMsg_BuffersSwapped,
+                     int /* instance_id */,
+                     uint64 /* surface_handle */,
+                     BrowserPlugin_SwapInfo /* info */)
+
 IPC_MESSAGE_CONTROL3(BrowserPluginMsg_UpdateRect,
                      int /* instance_id */,
                      int /* message_id */,