command buffers: correctly handle Flush(num_entries)

gpu/command_buffer/service/command_buffer_service_unittest.cc

Index: gpu/command_buffer/service/command_buffer_service_unittest.cc
diff --git a/gpu/command_buffer/service/command_buffer_service_unittest.cc b/gpu/command_buffer/service/command_buffer_service_unittest.cc
index f089f0230de65625a47afd9fe7fffcd7f821eff3..d2d8b3c2e6e6c0e6d347ad96f03454858b33dfcb 100644
--- a/gpu/command_buffer/service/command_buffer_service_unittest.cc
+++ b/gpu/command_buffer/service/command_buffer_service_unittest.cc
@@ -45,7 +45,8 @@ class CommandBufferServiceTest : public testing::Test {
 
   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);