Added a unique command buffer ID for command buffers.

gpu/command_buffer/client/ring_buffer_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.
 
 // This file contains the tests for the RingBuffer class.
 
 #include "gpu/command_buffer/client/ring_buffer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 53 matching lines @@
     EXPECT_CALL(*api_mock_.get(), DoCommand(cmd::kSetToken, 1, _))
         .WillRepeatedly(DoAll(Invoke(this, &BaseRingBufferTest::SetToken),
                               Return(error::kNoError)));
 
     {
       TransferBufferManager* manager = new TransferBufferManager(nullptr);
       transfer_buffer_manager_ = manager;
       EXPECT_TRUE(manager->Initialize());
     }
     command_buffer_.reset(
-        new CommandBufferService(transfer_buffer_manager_.get()));
+        new CommandBufferService(transfer_buffer_manager_.get(),
+                                 kCommandBufferNamespace_InProcess,
+                                 0));
     EXPECT_TRUE(command_buffer_->Initialize());
 
     gpu_scheduler_.reset(new GpuScheduler(
         command_buffer_.get(), api_mock_.get(), NULL));
     command_buffer_->SetPutOffsetChangeCallback(base::Bind(
         &GpuScheduler::PutChanged, base::Unretained(gpu_scheduler_.get())));
     command_buffer_->SetGetBufferChangeCallback(base::Bind(
         &GpuScheduler::SetGetBuffer, base::Unretained(gpu_scheduler_.get())));
 
     api_mock_->set_engine(gpu_scheduler_.get());
@@ skipping 338 matching lines @@
   // Discarding the middle allocation should turn it into padding.
   allocator_->DiscardBlock(ptr2);
   EXPECT_EQ(0u, allocator_->GetLargestFreeSizeNoWaiting());
 
   // Discarding the first allocation should discard the middle padding as well.
   allocator_->DiscardBlock(ptr1);
   EXPECT_EQ(kAlloc1 + kAlloc2, allocator_->GetLargestFreeSizeNoWaiting());
 }
 
 }  // namespace gpu