Removed last references to old sync points.

content/common/gpu/client/command_buffer_proxy_impl.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/common/gpu/client/command_buffer_proxy_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 602 matching lines @@
   const int32_t release_stream_id = sync_token->extra_data_field();
   if (release_stream_id == 0)
     return false;
 
   if (release_stream_id != stream_id_)
     channel_->FlushPendingStream(release_stream_id);
 
   return true;
 }
 
-uint32_t CommandBufferProxyImpl::InsertSyncPoint() {
-  CheckLock();
-  NOTREACHED();
-  return 0;
-}
-
-uint32_t CommandBufferProxyImpl::InsertFutureSyncPoint() {
-  CheckLock();
-  NOTREACHED();
-  return 0;
-}
-
-void CommandBufferProxyImpl::RetireSyncPoint(uint32_t sync_point) {
-  CheckLock();
-  NOTREACHED();
-}
-
-void CommandBufferProxyImpl::SignalSyncPoint(uint32_t sync_point,
-                                             const base::Closure& callback) {
-  CheckLock();
-  NOTREACHED();
-}
-
 void CommandBufferProxyImpl::SignalQuery(uint32_t query,
                                          const base::Closure& callback) {
   CheckLock();
   if (last_state_.error != gpu::error::kNoError)
     return;
 
   // Signal identifiers are hidden, so nobody outside of this class will see
   // them. (And thus, they cannot save them.) The IDs themselves only last
   // until the callback is invoked, which will happen as soon as the GPU
   // catches upwith the command buffer.
@@ skipping 134 matching lines @@
 }
 
 void CommandBufferProxyImpl::InvalidGpuReplyOnClientThread() {
   scoped_ptr<base::AutoLock> lock;
   if (lock_)
     lock.reset(new base::AutoLock(*lock_));
   OnDestroyed(gpu::error::kInvalidGpuMessage, gpu::error::kLostContext);
 }
 
 }  // namespace content