Column balancing refactoring. Don't propagate data during layout.

third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp

Index: third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp b/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
index e00045d6f0f40efa3ad6af39701b07baed3daf5c..11bddd08be861778d553b5ca29672e4b06692db8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
@@ -219,13 +219,6 @@ LayoutUnit LayoutMultiColumnSet::pageLogicalTopForOffset(LayoutUnit offset) cons
     return fragmentainerGroupAtFlowThreadOffset(offset).columnLogicalTopForOffset(offset);
 }
 
-void LayoutMultiColumnSet::addContentRun(LayoutUnit endOffsetFromFirstPage)
-{
-    if (!heightIsAuto())
-        return;
-    fragmentainerGroupAtFlowThreadOffset(endOffsetFromFirstPage).addContentRun(endOffsetFromFirstPage);
-}
-
 bool LayoutMultiColumnSet::recalculateColumnHeight(BalancedColumnHeightCalculation calculationMode)
 {
     bool changed = false;
@@ -234,27 +227,6 @@ bool LayoutMultiColumnSet::recalculateColumnHeight(BalancedColumnHeightCalculati
     return changed;
 }
 
-void LayoutMultiColumnSet::recordSpaceShortage(LayoutUnit offsetInFlowThread, LayoutUnit spaceShortage)
-{
-    MultiColumnFragmentainerGroup& row = fragmentainerGroupAtFlowThreadOffset(offsetInFlowThread);
-    row.recordSpaceShortage(spaceShortage);
-
-    // Since we're at a potential break here, take the opportunity to check if we need another
-    // fragmentainer group. If we've run out of columns in the last fragmentainer group (column
-    // row), we need to insert another fragmentainer group to hold more columns.
-    if (!row.isLastGroup())
-        return;
-    LayoutMultiColumnFlowThread* flowThread = multiColumnFlowThread();
-    if (!flowThread->multiColumnBlockFlow()->isInsideFlowThread())
-        return; // Early bail. We're not nested, so waste no more time on this.
-    if (!flowThread->isInInitialLayoutPass())
-        return;
-    // Move the offset to where the next column starts, if we're not there already.
-    offsetInFlowThread += flowThread->pageRemainingLogicalHeightForOffset(offsetInFlowThread, AssociateWithFormerPage);
-
-    flowThread->appendNewFragmentainerGroupIfNeeded(offsetInFlowThread);
-}
-
 void LayoutMultiColumnSet::resetColumnHeight()
 {
     m_fragmentainerGroups.deleteExtraGroups();