Fix shared memory leak on command buffer teardown

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 <GLES2/gl2extchromium.h>
 #include "gpu/command_buffer/client/client_test_helper.h"
 #include "gpu/command_buffer/client/program_info_manager.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/compiler_specific.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 #if !defined(GLES2_SUPPORT_CLIENT_SIDE_ARRAYS)
 #define GLES2_SUPPORT_CLIENT_SIDE_ARRAYS
 #endif
 
 using testing::_;
+using testing::AtLeast;
 using testing::AnyNumber;
 using testing::DoAll;
 using testing::InSequence;
 using testing::Invoke;
 using testing::Mock;
 using testing::Sequence;
 using testing::StrictMock;
 using testing::Truly;
 using testing::Return;
 
@@ skipping 444 matching lines @@
 
 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();
+      .Times(AtLeast(1));
   gl_.reset();
 }
 
 class GLES2ImplementationStrictSharedTest : public GLES2ImplementationTest {
  protected:
   virtual void SetUp() OVERRIDE;
 };
 
 void GLES2ImplementationStrictSharedTest::SetUp() {
   Initialize(true, false);
@@ skipping 2301 matching lines @@
   gl_->Enable(GL_BLEND);
   EXPECT_TRUE(NoCommandsWritten());
 }
 
 
 #include "gpu/command_buffer/client/gles2_implementation_unittest_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu