Revert of "Update linux sysroot from Wheezy to Jessie"

ui/ozone/platform/drm/gpu/drm_device.cc

Index: ui/ozone/platform/drm/gpu/drm_device.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_device.cc b/ui/ozone/platform/drm/gpu/drm_device.cc
index 81098fa72cb158bb29cf8a7165d88ef1066ce8b5..f2e2d724584cb4d4e973ca51a3de0c7e40a93f00 100644
--- a/ui/ozone/platform/drm/gpu/drm_device.cc
+++ b/ui/ozone/platform/drm/gpu/drm_device.cc
@@ -679,6 +679,18 @@
 bool DrmDevice::SetCapability(uint64_t capability, uint64_t value) {
   DCHECK(file_.IsValid());
 
+#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);
 }