kChildNeedsReattachLayoutTree should not be initially set.

This flag should have been dropped in [1] since we dropped setting
kNeedsReattachLayoutTree initially in that CL.

[1] https://codereview.chromium.org/2760233004

R=nainar@chromium.org
BUG=595137

Review-Url: https://codereview.chromium.org/2807063003
Cr-Commit-Position: refs/heads/master@{#463421}

third_party/WebKit/Source/core/dom/Node.h

@@ -846,7 +846,6 @@ class CORE_EXPORT Node : public EventTarget {
     kCreateOther = kDefaultNodeFlags,
     kCreateText = kDefaultNodeFlags | kIsTextFlag,
     kCreateContainer = kDefaultNodeFlags | kChildNeedsStyleRecalcFlag |
-                       kChildNeedsReattachLayoutTree |
                        kIsContainerFlag,
     kCreateElement = kCreateContainer | kIsElementFlag,
     kCreateShadowRoot =