Cosmetic cleanup to texture_layer mailboxes.

content/renderer/browser_plugin/browser_plugin_compositing_helper.cc

Index: content/renderer/browser_plugin/browser_plugin_compositing_helper.cc
diff --git a/content/renderer/browser_plugin/browser_plugin_compositing_helper.cc b/content/renderer/browser_plugin/browser_plugin_compositing_helper.cc
index dd7d84fc51a1b3e65cbcb4d13e53a24e79b05aec..c58471175b0ce6e8852ba236af2978b4605a5764 100644
--- a/content/renderer/browser_plugin/browser_plugin_compositing_helper.cc
+++ b/content/renderer/browser_plugin/browser_plugin_compositing_helper.cc
@@ -63,7 +63,7 @@ void BrowserPluginCompositingHelper::OnBuffersSwapped(
   if (!current_mailbox_valid && !last_mailbox_valid_)
     return;
 
-  cc::TextureLayer::MailboxCallback callback;
+  cc::TextureMailbox::ReleaseCallback callback;
   if (current_mailbox_valid) {
     callback = base::Bind(&SendACK,
                           mailbox_name,
@@ -71,7 +71,8 @@ void BrowserPluginCompositingHelper::OnBuffersSwapped(
                           gpu_route_id,
                           gpu_host_id);
   }
-  texture_layer_->setTextureMailbox(mailbox_name, callback);
+  texture_layer_->setTextureMailbox(cc::TextureMailbox(mailbox_name,
+                                                       callback));
   last_mailbox_valid_ = current_mailbox_valid;
 }