[LayoutNG] Add base class for NGFragment and NGText

third_party/WebKit/Source/core/layout/ng/ng_fragment.cc

Index: third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc b/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
index 174945c7de023a67bd5368229ab30ae144bda9ee..4085e380af9aea6c8746769477c7eb5125ff9ab5 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
@@ -4,24 +4,4 @@
 
 #include "core/layout/ng/ng_fragment.h"
 
-namespace blink {
-
-NGFragment::NGFragment(LayoutUnit inlineSize,
-                       LayoutUnit blockSize,
-                       LayoutUnit inlineOverflow,
-                       LayoutUnit blockOverflow)
-    : m_inlineSize(inlineSize),
-      m_blockSize(blockSize),
-      m_inlineOverflow(inlineOverflow),
-      m_blockOverflow(blockOverflow) {}
-
-void NGFragment::setOffset(LayoutUnit inlineOffset, LayoutUnit blockOffset) {
-  m_inlineOffset = inlineOffset;
-  m_blockOffset = blockOffset;
-}
-
-DEFINE_TRACE(NGFragment) {
-  visitor->trace(m_children);
-}
-
-}  // namespace blink
+namespace blink {}  // namespace blink