Modified old wait sync point functions to also accept new sync tokens.

gpu/command_buffer/common/mailbox_holder.cc

Index: gpu/command_buffer/common/mailbox_holder.cc
diff --git a/gpu/command_buffer/common/mailbox_holder.cc b/gpu/command_buffer/common/mailbox_holder.cc
index 87dec36fe23fb4a875c967753d5ee07c54107c1d..f496e660023ae7ce655e365c7439cf9023bc0141 100644
--- a/gpu/command_buffer/common/mailbox_holder.cc
+++ b/gpu/command_buffer/common/mailbox_holder.cc
@@ -6,13 +6,13 @@
 
 namespace gpu {
 
-MailboxHolder::MailboxHolder() : texture_target(0), sync_point(0) {}
+MailboxHolder::MailboxHolder() : texture_target(0) {}
 
-MailboxHolder::MailboxHolder(const Mailbox& mailbox,
-                             uint32_t texture_target,
-                             uint32_t sync_point)
+MailboxHolder::MailboxHolder(const gpu::Mailbox& mailbox,
+                             const gpu::SyncToken& sync_token,
+                             uint32_t texture_target)
     : mailbox(mailbox),
-      texture_target(texture_target),
-      sync_point(sync_point) {}
+      sync_token(sync_token),
+      texture_target(texture_target) {}
 
 }  // namespace gpu