Messages needed for webview compositor communication.

content/browser/browser_plugin/browser_plugin_guest.cc

 // 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.
 
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 
 #include <algorithm>
 
 #include "base/string_util.h"
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
@@ skipping 317 matching lines @@
     const gfx::Point& relative_position) const {
   gfx::Point screen_pos(relative_position);
   screen_pos += guest_window_rect_.OffsetFromOrigin();
   return screen_pos;
 }
 
 int BrowserPluginGuest::embedder_routing_id() const {
   return embedder_web_contents_->GetRoutingID();
 }
 
+void BrowserPluginGuest::SetCompositingBufferData(int gpu_process_id,
+                                                  uint32 client_id,
+                                                  uint32 context_id,
+                                                  uint32 texture_id_0,
+                                                  uint32 texture_id_1,
+                                                  uint32 sync_point) {
+  // This is the signal for having no context
+  if (texture_id_0 == 0) {
+    DCHECK(texture_id_1 == 0);
+    return;
+  }
+
+  DCHECK(texture_id_1 != 0);
+  DCHECK(texture_id_0 != texture_id_1);
+
+  surface_handle_ = gfx::GLSurfaceHandle(gfx::kNullPluginWindow, true);
+  surface_handle_.parent_gpu_process_id = gpu_process_id;
+  surface_handle_.parent_client_id = client_id;
+  surface_handle_.parent_context_id = context_id;
+  surface_handle_.parent_texture_id[0] = texture_id_0;
+  surface_handle_.parent_texture_id[1] = texture_id_1;
+  surface_handle_.sync_point = sync_point;
+}
+
 bool BrowserPluginGuest::InAutoSizeBounds(const gfx::Size& size) const {
   return size.width() <= max_auto_size_.width() &&
       size.height() <= max_auto_size_.height();
 }
 
 void BrowserPluginGuest::UpdateRect(
     RenderViewHost* render_view_host,
     const ViewHostMsg_UpdateRect_Params& params) {
   // This handler is only of interest to us for the 2D software rendering path.
   // needs_ack should always be true for the 2D path.
@@ skipping 283 matching lines @@
     default:
       break;
   }
 }
 
 void BrowserPluginGuest::SendMessageToEmbedder(IPC::Message* msg) {
   embedder_web_contents_->Send(msg);
 }
 
 }  // namespace content