Move markLinesDirtyInBlockRange() from LayoutBlock to LayoutBlockFlow.

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

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index 375d4a4277ba5116d997db3195fd9481a189da6f..be8cdd93b0cf29de701e0732aaf2718d4182fc77 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -1552,24 +1552,6 @@ LayoutUnit LayoutBlock::textIndentOffset() const
     return minimumValueForLength(style()->textIndent(), cw);
 }
 
-void LayoutBlock::markLinesDirtyInBlockRange(LayoutUnit logicalTop, LayoutUnit logicalBottom, RootInlineBox* highest)
-{
-    if (logicalTop >= logicalBottom)
-        return;
-
-    RootInlineBox* lowestDirtyLine = lastRootBox();
-    RootInlineBox* afterLowest = lowestDirtyLine;
-    while (lowestDirtyLine && lowestDirtyLine->lineBottomWithLeading() >= logicalBottom && logicalBottom < LayoutUnit::max()) {
-        afterLowest = lowestDirtyLine;
-        lowestDirtyLine = lowestDirtyLine->prevRootBox();
-    }
-
-    while (afterLowest && afterLowest != highest && (afterLowest->lineBottomWithLeading() >= logicalTop || afterLowest->lineBottomWithLeading() < 0)) {
-        afterLowest->markDirty();
-        afterLowest = afterLowest->prevRootBox();
-    }
-}
-
 bool LayoutBlock::isPointInOverflowControl(HitTestResult& result, const LayoutPoint& locationInContainer, const LayoutPoint& accumulatedOffset) const
 {
     if (!scrollsOverflow())