Progress towards fixing 77536

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 86e2328a43110e0e74134ea0e9a51204603453ed..140267ee860a7fb7c645408fae8ff46827aede1d 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -710,6 +710,9 @@ IPC_STRUCT_BEGIN(ViewMsg_New_Params)
   // The parent window's id.
   IPC_STRUCT_MEMBER(gfx::NativeViewId, parent_window)
 
+  // Surface for accelerated rendering.
+  IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, compositing_surface)
+
   // Renderer-wide preferences.
   IPC_STRUCT_MEMBER(RendererPreferences, renderer_preferences)
 
@@ -757,8 +760,9 @@ IPC_MESSAGE_CONTROL1(ViewMsg_New,
 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
 // similar to the new command, but used when the renderer created a view
 // first, and we need to update it.
-IPC_MESSAGE_ROUTED1(ViewMsg_CreatingNew_ACK,
-                    gfx::NativeViewId /* parent_hwnd */)
+IPC_MESSAGE_ROUTED2(ViewMsg_CreatingNew_ACK,
+                    gfx::NativeViewId /* parent_hwnd */,
+                    gfx::PluginWindowHandle /* compositing_surface */)
 
 // Sends updated preferences to the renderer.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,