Verify resource provider sync tokens before sending to parent.

cc/test/test_gles2_interface.h

 // Copyright 2013 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.
 
 #ifndef CC_TEST_TEST_GLES2_INTERFACE_H_
 #define CC_TEST_TEST_GLES2_INTERFACE_H_
 
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
 
 namespace cc {
@@ skipping 120 matching lines @@
                            GLsizei height) override;
 
   void* MapBufferCHROMIUM(GLuint target, GLenum access) override;
   GLboolean UnmapBufferCHROMIUM(GLuint target) override;
   void BufferData(GLenum target,
                   GLsizeiptr size,
                   const void* data,
                   GLenum usage) override;
 
   GLuint InsertSyncPointCHROMIUM() override;
-
+  GLuint64 InsertFenceSyncCHROMIUM() override;
+  void GenSyncTokenCHROMIUM(GLuint64 fence_sync, GLbyte* sync_token) override;
+  void GenUnverifiedSyncTokenCHROMIUM(GLuint64 fence_sync,
+                                      GLbyte* sync_token) override;
+  void VerifySyncTokensCHROMIUM(GLbyte** sync_tokens, GLsizei count) override;
   void WaitSyncTokenCHROMIUM(const GLbyte* sync_token) override;
 
   void BeginQueryEXT(GLenum target, GLuint id) override;
   void EndQueryEXT(GLenum target) override;
   void GetQueryObjectuivEXT(GLuint id, GLenum pname, GLuint* params) override;
 
   void DiscardFramebufferEXT(GLenum target,
                              GLsizei count,
                              const GLenum* attachments) override;
   void GenMailboxCHROMIUM(GLbyte* mailbox) override;
@@ skipping 12 matching lines @@
   void LoseContextCHROMIUM(GLenum current, GLenum other) override;
   GLenum GetGraphicsResetStatusKHR() override;
 
  private:
   TestWebGraphicsContext3D* test_context_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_GLES2_INTERFACE_H_