Ozone Linux: Fix build errors with chromeos==0 ozone_platform_drm=true

ui/ozone/platform/drm/gpu/drm_device.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 "ui/ozone/platform/drm/gpu/drm_device.h"
 
 #include <fcntl.h>
 #include <sys/mman.h>
 #include <unistd.h>
 #include <xf86drm.h>
@@ skipping 652 matching lines @@
       page_flip_manager_->RegisterCallback(id, crtc_count, callback);
 
     return true;
   }
 #endif  // defined(USE_DRM_ATOMIC)
   return false;
 }
 
 bool DrmDevice::SetCapability(uint64_t capability, uint64_t value) {
   DCHECK(file_.IsValid());
-  return !drmSetClientCap(file_.GetPlatformFile(), capability, value);
+
+#ifndef DRM_IOCTL_SET_CLIENT_CAP
+// drmSetClientCap was introduced in a later version of libdrm than the wheezy
+// sysroot supplies.
+// TODO(thomasanderson): Remove this when support for the wheezy sysroot is
+// dropped in favor of jessie.
+#define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW(0x0d, struct drm_set_client_cap)
+  struct drm_set_client_cap {
+    __u64 capability;
+    __u64 value;
+  };
+#endif
+
+  struct drm_set_client_cap cap = {capability, value};
+  return !drmIoctl(file_.GetPlatformFile(), DRM_IOCTL_SET_CLIENT_CAP, &cap);
 }
 
 bool DrmDevice::SetMaster() {
   TRACE_EVENT1("drm", "DrmDevice::SetMaster", "path", device_path_.value());
   DCHECK(file_.IsValid());
   return (drmSetMaster(file_.GetPlatformFile()) == 0);
 }
 
 bool DrmDevice::DropMaster() {
   TRACE_EVENT1("drm", "DrmDevice::DropMaster", "path", device_path_.value());
@@ skipping 114 matching lines @@
               reinterpret_cast<unsigned char*>(ctm_blob_data.get()),
               sizeof(DrmColorCtm)))
         return false;
     }
   }
 
   return true;
 }
 
 }  // namespace ui