Use in-class initializers for base::WeakPtrFactory (all remaining uses on Linux desktop).

Changed NULL to nullptr where the presubmit complained (due to new line wrapping).

Generated by: https://chromium-review.googlesource.com/c/chromium/src/+/1689216

Bug: 981415
Tbr: [email protected],[email protected],[email protected]
Change-Id: Icd574b69f75ead6dc6f34e7b4edcd52a53830640
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1702744
Reviewed-by: Jeremy Roman <[email protected]>
Reviewed-by: Mihai Sardarescu <[email protected]>
Reviewed-by: Raymes Khoury <[email protected]>
Reviewed-by: Gabriel Charette <[email protected]>
Reviewed-by: Sergey Ulanov <[email protected]>
Reviewed-by: Yuwei Huang <[email protected]>
Reviewed-by: Reilly Grant <[email protected]>
Reviewed-by: Ken Rockot <[email protected]>
Reviewed-by: Marc Treib <[email protected]>
Reviewed-by: Rayan Kanso <[email protected]>
Reviewed-by: Victor Costan <[email protected]>
Reviewed-by: Ryo Hashimoto <[email protected]>
Reviewed-by: Tom Sepez <[email protected]>
Commit-Queue: Jeremy Roman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#686003}
diff --git a/dbus/property.cc b/dbus/property.cc
index 489ef99..15b99179 100644
--- a/dbus/property.cc
+++ b/dbus/property.cc
@@ -42,8 +42,7 @@
     const PropertyChangedCallback& property_changed_callback)
     : object_proxy_(object_proxy),
       interface_(interface),
-      property_changed_callback_(property_changed_callback),
-      weak_ptr_factory_(this) {}
+      property_changed_callback_(property_changed_callback) {}
 
 PropertySet::~PropertySet() = default;