[LayoutNG] Inline margin/border/padding, inter-item breaking, and tests

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_item_result.cc

 // Copyright 2017 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 "core/layout/ng/inline/ng_inline_item_result.h"
 
 namespace blink {
 
 NGInlineItemResult::NGInlineItemResult() {}
 
 NGInlineItemResult::NGInlineItemResult(unsigned index,
                                        unsigned start,
                                        unsigned end)
-    : item_index(index), start_offset(start), end_offset(end) {}
+    : item_index(index),
+      start_offset(start),
+      end_offset(end),
+      no_break_opportunities_inside(false),
+      prohibit_break_after(false) {}
 
 }  // namespace blink