Add suppression for deprecated CGDisplayIOServicePort call

gpu/config/gpu_info_collector_mac.mm

 // 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"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 36 matching lines @@
     return 0;
 
   UInt32 value = 0;
   const UInt32* value_pointer =
       reinterpret_cast<const UInt32*>(CFDataGetBytePtr(data_ref));
   if (value_pointer != NULL)
     value = *value_pointer;
   return value;
 }
 
+// CGDisplayIOServicePort is deprecated as of macOS 10.9, but has no
+// replacement.
+// https://crbug.com/650837
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
 // Find the info of the current GPU.
 GPUInfo::GPUDevice GetActiveGPU() {
   GPUInfo::GPUDevice gpu;
   io_registry_entry_t dsp_port = CGDisplayIOServicePort(kCGDirectMainDisplay);
   gpu.vendor_id = GetEntryProperty(dsp_port, CFSTR("vendor-id"));
   gpu.device_id = GetEntryProperty(dsp_port, CFSTR("device-id"));
   return gpu;
 }
 
+#pragma clang diagnostic pop
+
 // Scan IO registry for PCI video cards.
 CollectInfoResult CollectPCIVideoCardInfo(GPUInfo* gpu_info) {
   DCHECK(gpu_info);
   GPUInfo::GPUDevice active_gpu = GetActiveGPU();
 
   // Collect all GPUs' info.
   // match_dictionary will be consumed by IOServiceGetMatchingServices, no need
   // to release it.
   CFMutableDictionaryRef match_dictionary = IOServiceMatching("IOPCIDevice");
   io_iterator_t entry_iterator;
@@ skipping 138 matching lines @@
   gpu_info->driver_version = gpu_info->gl_version.substr(pos + 1);
   return kCollectInfoSuccess;
 }
 
 void MergeGPUInfo(GPUInfo* basic_gpu_info,
                   const GPUInfo& context_gpu_info) {
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 }
 
 }  // namespace gpu