Removed client side support for old sync points.

third_party/WebKit/Source/platform/graphics/gpu/DrawingBufferTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 99 matching lines @@
         ASSERT_EQ(target, drawingBufferTextureTarget());
         ASSERT_TRUE(m_textureSizes.contains(texture));
         m_mostRecentlyProducedSize = m_textureSizes.get(texture);
     }
 
     IntSize mostRecentlyProducedSize()
     {
         return m_mostRecentlyProducedSize;
     }
 
-    bool insertSyncPoint(WGC3Dbyte* syncToken) override
-    {
-        static WGC3Duint syncPointGenerator = 0;
-        WGC3Duint newSyncPoint = ++syncPointGenerator;
-        memcpy(syncToken, &newSyncPoint, sizeof(newSyncPoint));
-        return true;
-    }
-
     WGC3Duint64 insertFenceSyncCHROMIUM() override
     {
         static WGC3Duint64 syncPointGenerator = 0;
         return ++syncPointGenerator;
     }
 
     bool genSyncTokenCHROMIUM(WGC3Duint64 fenceSync, WGC3Dbyte* syncToken) override
     {
         memcpy(syncToken, &fenceSync, sizeof(fenceSync));
         return true;
@@ skipping 553 matching lines @@
     // m_drawingBuffer deletes mailbox immediately when hidden.
 
     WGC3Duint waitSyncToken = 0;
     memcpy(&waitSyncToken, mailbox.syncToken, sizeof(waitSyncToken));
     EXPECT_EQ(waitSyncToken, webContext()->mostRecentlyWaitedSyncToken());
 
     m_drawingBuffer->beginDestruction();
 }
 
 } // namespace blink