gpu/config: remove CollectGpuID

gpu/config/gpu_info_collector_linux.cc

 // Copyright 2014 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 "gpu/config/gpu_info_collector_linux.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 173 matching lines @@
 CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) {
   DCHECK(gpu_info);
 
   TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo");
 
   CollectInfoResult result = CollectGraphicsInfoGL(gpu_info);
   gpu_info->context_info_state = result;
   return result;
 }
 
-CollectInfoResult CollectGpuID(uint32_t* vendor_id, uint32_t* device_id) {
-  DCHECK(vendor_id && device_id);
-  *vendor_id = 0;
-  *device_id = 0;
-
-  GPUInfo gpu_info;
-  CollectInfoResult result = CollectPCIVideoCardInfo(&gpu_info);
-  if (result == kCollectInfoSuccess) {
-    *vendor_id = gpu_info.gpu.vendor_id;
-    *device_id = gpu_info.gpu.device_id;
-  }
-  return result;
-}
-
 CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
   DCHECK(gpu_info);
 
   CollectInfoResult result = CollectPCIVideoCardInfo(gpu_info);
 
   std::string driver_version;
   switch (gpu_info->gpu.vendor_id) {
     case kVendorIDAMD:
       driver_version = CollectDriverVersionAMDBrahma();
       if (!driver_version.empty()) {
@@ skipping 77 matching lines @@
   gpu_info->driver_version = driver_version;
   return kCollectInfoSuccess;
 }
 
 void MergeGPUInfo(GPUInfo* basic_gpu_info,
                   const GPUInfo& context_gpu_info) {
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 }
 
 }  // namespace gpu