gl_tests: Use zero size gl surface for offscreen rendering

gpu/command_buffer/client/cmd_buffer_helper_test.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 the Command Buffer Helper.
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/linked_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "gpu/command_buffer/client/cmd_buffer_helper.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "gpu/command_buffer/service/mocks.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if defined(OS_MACOSX)
-#include "base/mac/scoped_nsautorelease_pool.h"
-#endif
-
 namespace gpu {
 
 using testing::Return;
 using testing::Mock;
 using testing::Truly;
 using testing::Sequence;
 using testing::DoAll;
 using testing::Invoke;
 using testing::_;
 
@@ skipping 215 matching lines @@
   int32 GetHelperPutOffset() { return helper_->put_; }
 
   uint32 GetHelperFlushGeneration() { return helper_->flush_generation(); }
 
   error::Error GetError() {
     return command_buffer_->GetLastState().error;
   }
 
   CommandBufferOffset get_helper_put() { return helper_->put_; }
 
-#if defined(OS_MACOSX)
-  base::mac::ScopedNSAutoreleasePool autorelease_pool_;
-#endif
-  base::MessageLoop message_loop_;
   scoped_ptr<AsyncAPIMock> api_mock_;
   scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   scoped_ptr<CommandBufferServiceLocked> command_buffer_;
   scoped_ptr<GpuScheduler> gpu_scheduler_;
   scoped_ptr<CommandBufferHelper> helper_;
   std::list<linked_ptr<std::vector<CommandBufferEntry> > > test_command_args_;
   unsigned int test_command_next_id_;
   Sequence sequence_;
 };
 
@@ skipping 490 matching lines @@
   helper_->OrderingBarrier();
   flush_count2 = command_buffer_->FlushCount();
   helper_->OrderingBarrier();
   flush_count3 = command_buffer_->FlushCount();
 
   EXPECT_EQ(flush_count2, flush_count1 + 1);
   EXPECT_EQ(flush_count3, flush_count2 + 1);
 }
 
 }  // namespace gpu