Set m_obj as private member variable

Source/core/rendering/RenderBlockLineLayout.cpp

Index: Source/core/rendering/RenderBlockLineLayout.cpp
diff --git a/Source/core/rendering/RenderBlockLineLayout.cpp b/Source/core/rendering/RenderBlockLineLayout.cpp
index fe39f37ecbd40f836fb89ef236e260701f426ae1..bec0a8da19addb7d4ce11848be2fa8d9d672260b 100644
--- a/Source/core/rendering/RenderBlockLineLayout.cpp
+++ b/Source/core/rendering/RenderBlockLineLayout.cpp
@@ -976,8 +976,8 @@ static inline void constructBidiRunsForLine(const RenderBlockFlow* block, Inline
         iterator = segmentRanges[i].end;
         InlineIterator segmentEnd(iterator.root, iterator.object, iterator.offset);
         if (i) {
-            ASSERT(segmentStart.m_obj);
-            BidiRun* segmentMarker = createRun(segmentStart.m_pos, segmentStart.m_pos, segmentStart.m_obj, topResolver);
+            ASSERT(segmentStart.object());
+            BidiRun* segmentMarker = createRun(segmentStart.m_pos, segmentStart.m_pos, segmentStart.object(), topResolver);
             segmentMarker->m_startsSegment = true;
             bidiRuns.addRun(segmentMarker);
             // Do not collapse midpoints between segments
@@ -997,7 +997,7 @@ RootInlineBox* RenderBlockFlow::createLineBoxesFromBidiRuns(unsigned bidiLevel,
         return 0;
 
     // FIXME: Why is this only done when we had runs?
-    lineInfo.setLastLine(!end.m_obj);
+    lineInfo.setLastLine(!end.object());
 
     RootInlineBox* lineBox = constructLine(bidiRuns, lineInfo);
     if (!lineBox)
@@ -1445,7 +1445,7 @@ void RenderBlockFlow::layoutRunsAndFloatsInRange(LineLayoutState& layoutState, I
         // This is a short-cut for empty lines.
         if (layoutState.lineInfo().isEmpty()) {
             if (lastRootBox())
-                lastRootBox()->setLineBreakInfo(endOfLine.m_obj, endOfLine.m_pos, resolver.status());
+                lastRootBox()->setLineBreakInfo(endOfLine.object(), endOfLine.m_pos, resolver.status());
         } else {
             VisualDirectionOverride override = (styleToUse->rtlOrdering() == VisualOrder ? (styleToUse->direction() == LTR ? VisualLeftToRightOverride : VisualRightToLeftOverride) : NoVisualOverride);
 
@@ -1477,7 +1477,7 @@ void RenderBlockFlow::layoutRunsAndFloatsInRange(LineLayoutState& layoutState, I
             resolver.markCurrentRunEmpty(); // FIXME: This can probably be replaced by an ASSERT (or just removed).
 
             if (lineBox) {
-                lineBox->setLineBreakInfo(endOfLine.m_obj, endOfLine.m_pos, resolver.status());
+                lineBox->setLineBreakInfo(endOfLine.object(), endOfLine.m_pos, resolver.status());
                 if (layoutState.usesRepaintBounds())
                     layoutState.updateRepaintRangeFromBox(lineBox);
 
@@ -2052,7 +2052,7 @@ bool RenderBlockFlow::matchedEndLine(LineLayoutState& layoutState, const InlineB
     RootInlineBox* originalEndLine = layoutState.endLine();
     RootInlineBox* line = originalEndLine;
     for (int i = 0; i < numLines && line; i++, line = line->nextRootBox()) {
-        if (line->lineBreakObj() == resolver.position().m_obj && line->lineBreakPos() == resolver.position().m_pos) {
+        if (line->lineBreakObj() == resolver.position().object() && line->lineBreakPos() == resolver.position().m_pos) {
             // We have a match.
             if (line->lineBreakBidiStatus() != resolver.status())
                 return false; // ...but the bidi state doesn't match.
@@ -2091,7 +2091,7 @@ void LineBreaker::skipLeadingWhitespace(InlineBidiResolver& resolver, LineInfo&
                                                      FloatingObject* lastFloatFromPreviousLine, LineWidth& width)
 {
     while (!resolver.position().atEnd() && !requiresLineBox(resolver.position(), lineInfo, LeadingWhitespace)) {
-        RenderObject* object = resolver.position().m_obj;
+        RenderObject* object = resolver.position().object();
         if (object->isOutOfFlowPositioned()) {
             setStaticPositions(m_block, toRenderBox(object));
             if (object->style()->isOriginalDisplayInlineType()) {