Update from https://crrev.com/303153

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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/threading/thread.h"
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
@@ skipping 20 matching lines @@
     command_buffer_.reset(
         new CommandBufferService(transfer_buffer_manager_.get()));
     EXPECT_TRUE(command_buffer_->Initialize());
   }
 
   int32 GetGetOffset() {
     return command_buffer_->GetLastState().get_offset;
   }
 
   int32 GetPutOffset() {
-    return command_buffer_->GetLastState().put_offset;
+    return command_buffer_->GetPutOffset();
   }
 
   int32 GetToken() {
     return command_buffer_->GetLastState().token;
   }
 
   int32 GetError() {
     return command_buffer_->GetLastState().error;
   }
 
   bool Initialize(size_t size) {
     int32 id;
     command_buffer_->CreateTransferBuffer(size, &id);
     EXPECT_GT(id, 0);
     command_buffer_->SetGetBuffer(id);
     return true;
   }
 
   scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   scoped_ptr<CommandBufferService> command_buffer_;
 };
 
 TEST_F(CommandBufferServiceTest, InitializesCommandBuffer) {
   EXPECT_TRUE(Initialize(1024));
   CommandBuffer::State state = command_buffer_->GetLastState();
   EXPECT_EQ(0, state.get_offset);
-  EXPECT_EQ(0, state.put_offset);
+  EXPECT_EQ(0, command_buffer_->GetPutOffset());
   EXPECT_EQ(0, state.token);
   EXPECT_EQ(error::kNoError, state.error);
 }
 
 namespace {
 
 class CallbackTest {
  public:
   virtual void PutOffsetChanged() = 0;
   virtual bool GetBufferChanged(int32 id) = 0;
@@ skipping 68 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