gpu/config: remove CollectGpuID

gpu/config/gpu_info_collector.h

 // 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.
 
 #ifndef GPU_CONFIG_GPU_INFO_COLLECTOR_H_
 #define GPU_CONFIG_GPU_INFO_COLLECTOR_H_
 
 #include <stdint.h>
 
 #include "build/build_config.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
-// Collect GPU vendor_id and device ID.
-GPU_EXPORT CollectInfoResult CollectGpuID(uint32_t* vendor_id,
-                                          uint32_t* device_id);
-
 // Collects basic GPU info without creating a GL/DirectX context (and without
 // the danger of crashing), including vendor_id and device_id.
 // This is called at browser process startup time.
 // The subset each platform collects may be different.
 GPU_EXPORT CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info);
 
 // Create a GL/DirectX context and collect related info.
 // This is called at GPU process startup time.
 GPU_EXPORT CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info);
 
@@ skipping 18 matching lines @@
 GPU_EXPORT void MergeGPUInfoGL(GPUInfo* basic_gpu_info,
                                const GPUInfo& context_gpu_info);
 
 // If more than one GPUs are identified, and GL strings are available,
 // identify the active GPU based on GL strings.
 GPU_EXPORT void IdentifyActiveGPU(GPUInfo* gpu_info);
 
 }  // namespace gpu
 
 #endif  // GPU_CONFIG_GPU_INFO_COLLECTOR_H_