Remove PCI names lookup in gpu info collection in linux.

content/gpu/gpu_info_collector_linux.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 "content/gpu/gpu_info_collector.h"
 
 #include <X11/Xlib.h>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 112 matching lines @@
     // Fill the IDs and class fields.
     (libpci_loader.pci_fill_info)(device, 33);
     // TODO(zmo): there might be other classes that qualify as display devices.
     if (device->device_class != 0x0300)  // Device class is DISPLAY_VGA.
       continue;
 
     content::GPUInfo::GPUDevice gpu;
     gpu.vendor_id = device->vendor_id;
     gpu.device_id = device->device_id;
 
-    const int buffer_size = 255;
-    scoped_array<char> buffer(new char[buffer_size]);
-    // The current implementation of pci_lookup_name returns the same pointer
-    // as the passed in upon success, and a different one (NULL or a pointer
-    // to an error message) upon failure.
-    if ((libpci_loader.pci_lookup_name)(access,
-                                        buffer.get(),
-                                        buffer_size,
-                                        1,
-                                        device->vendor_id) == buffer.get()) {
-      gpu.vendor_string = buffer.get();
-    }
-    if ((libpci_loader.pci_lookup_name)(access,
-                                        buffer.get(),
-                                        buffer_size,
-                                        2,
-                                        device->vendor_id,
-                                        device->device_id) == buffer.get()) {
-      std::string device_string = buffer.get();
-      size_t begin = device_string.find_first_of('[');
-      size_t end = device_string.find_last_of(']');
-      if (begin != std::string::npos && end != std::string::npos &&
-          begin < end) {
-        device_string = device_string.substr(begin + 1, end - begin - 1);
-      }
-      gpu.device_string = device_string;
-    }
-
     if (!primary_gpu_identified) {
       primary_gpu_identified = true;
       gpu_info->gpu = gpu;
     } else {
       // TODO(zmo): if there are multiple GPUs, we assume the non Intel
       // one is primary. Revisit this logic because we actually don't know
       // which GPU we are using at this point.
       if (gpu_info->gpu.vendor_id == kVendorIDIntel &&
           gpu.vendor_id != kVendorIDIntel) {
         gpu_info->secondary_gpus.push_back(gpu_info->gpu);
@@ skipping 122 matching lines @@
   gpu_info->driver_version = driver_version;
   return true;
 }
 
 void MergeGPUInfo(content::GPUInfo* basic_gpu_info,
                   const content::GPUInfo& context_gpu_info) {
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 }
 
 }  // namespace gpu_info_collector