gpu/config: remove CollectGpuID

gpu/config/gpu_info_collector_win.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 "gpu/config/gpu_info_collector.h"
 
 // This has to be included before windows.h.
 #include "third_party/re2/src/re2/re2.h"
 
 #include <windows.h>
@@ skipping 287 matching lines @@
     // DirectX diagnostics are collected asynchronously because it takes a
     // couple of seconds.
   } else {
     gpu_info->dx_diagnostics_info_state = kCollectInfoNonFatalFailure;
   }
 
   gpu_info->context_info_state = kCollectInfoSuccess;
   return kCollectInfoSuccess;
 }
 
-CollectInfoResult CollectGpuID(uint32_t* vendor_id, uint32_t* device_id) {
-  DCHECK(vendor_id && device_id);
-  *vendor_id = 0;
-  *device_id = 0;
-
-  // Taken from http://www.nvidia.com/object/device_ids.html
-  DISPLAY_DEVICE dd;
-  dd.cb = sizeof(DISPLAY_DEVICE);
-  std::wstring id;
-  for (int i = 0; EnumDisplayDevices(NULL, i, &dd, 0); ++i) {
-    if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) {
-      id = dd.DeviceID;
-      break;
-    }
-  }
-
-  if (id.length() > 20) {
-    DeviceIDToVendorAndDevice(id, vendor_id, device_id);
-    if (*vendor_id != 0 && *device_id != 0)
-      return kCollectInfoSuccess;
-  }
-  return kCollectInfoNonFatalFailure;
-}
-
 CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
   TRACE_EVENT0("gpu", "CollectPreliminaryGraphicsInfo");
 
   DCHECK(gpu_info);
 
   // nvd3d9wrap.dll is loaded into all processes when Optimus is enabled.
   HMODULE nvd3d9wrap = GetModuleHandleW(L"nvd3d9wrap.dll");
   gpu_info->optimus = nvd3d9wrap != NULL;
 
   // Taken from http://www.nvidia.com/object/device_ids.html
@@ skipping 93 matching lines @@
   }
 
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 
   basic_gpu_info->dx_diagnostics_info_state =
       context_gpu_info.dx_diagnostics_info_state;
   basic_gpu_info->dx_diagnostics = context_gpu_info.dx_diagnostics;
 }
 
 }  // namespace gpu