command buffers: correctly handle Flush(num_entries)

gpu/command_buffer/service/command_buffer_service_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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/bind.h"
@@ skipping 27 matching lines @@
   }
 
   int32_t GetGetOffset() { return command_buffer_->GetLastState().get_offset; }
 
   int32_t GetPutOffset() { return command_buffer_->GetPutOffset(); }
 
   int32_t GetToken() { return command_buffer_->GetLastState().token; }
 
   int32_t GetError() { return command_buffer_->GetLastState().error; }
 
-  bool Initialize(size_t size) {
+  bool Initialize(size_t entries) {
+    size_t size = entries * sizeof(CommandBufferEntry);
     int32_t id;
     command_buffer_->CreateTransferBuffer(size, &id);
     EXPECT_GT(id, 0);
     command_buffer_->SetGetBuffer(id);
     return true;
   }
 
   scoped_refptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   std::unique_ptr<CommandBufferService> command_buffer_;
 };
@@ skipping 84 matching lines @@
 
 TEST_F(CommandBufferServiceTest, DefaultParseErrorIsNoError) {
   EXPECT_EQ(0, GetError());
 }
 
 TEST_F(CommandBufferServiceTest, CanSetParseError) {
   command_buffer_->SetParseError(error::kInvalidSize);
   EXPECT_EQ(1, GetError());
 }
 }  // namespace gpu