Free the command buffer on destruction.

gpu/command_buffer/client/gles2_implementation_unittest.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.
 
 // Tests for GLES2Implementation.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2ext.h>
 #include "gpu/command_buffer/client/client_test_helper.h"
@@ skipping 463 matching lines @@
   int token_;
 };
 
 void GLES2ImplementationTest::SetUp() {
   Initialize(false, true);
 }
 
 void GLES2ImplementationTest::TearDown() {
   Mock::VerifyAndClear(gl_.get());
   EXPECT_CALL(*command_buffer(), OnFlush()).Times(AnyNumber());
+  // For command buffer.
+  EXPECT_CALL(*command_buffer(), DestroyTransferBuffer(_))
+      .Times(1)
+      .RetiresOnSaturation();
   gl_.reset();
 }
 
 class GLES2ImplementationStrictSharedTest : public GLES2ImplementationTest {
  protected:
   virtual void SetUp() OVERRIDE;
 };
 
 void GLES2ImplementationStrictSharedTest::SetUp() {
   Initialize(true, false);
@@ skipping 2123 matching lines @@
   gl_->GetQueryObjectuivEXT(id, GL_QUERY_RESULT_EXT, &result);
   EXPECT_TRUE(NoCommandsWritten());
   EXPECT_EQ(static_cast<GLuint>(GL_INVALID_ENUM), result);
 }
 
 #include "gpu/command_buffer/client/gles2_implementation_unittest_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu