Remove unused variable in LayoutBlockFlow::determineStartPosition.

Source/core/layout/LayoutBlockFlowLine.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 1603 matching lines @@
         setShouldDoFullPaintInvalidation();
 }
 
 RootInlineBox* LayoutBlockFlow::determineStartPosition(LineLayoutState& layoutState, InlineBidiResolver& resolver)
 {
     RootInlineBox* curr = nullptr;
     RootInlineBox* last = nullptr;
     RootInlineBox* firstLineBoxWithBreakAndClearance = 0;
 
     // FIXME: This entire float-checking block needs to be broken into a new function.
-    bool dirtiedByFloat = false;
     if (!layoutState.isFullLayout()) {
         // Paginate all of the clean lines.
         bool paginated = view()->layoutState() && view()->layoutState()->isPaginated();
         LayoutUnit paginationDelta = 0;
         for (curr = firstRootBox(); curr && !curr->isDirty(); curr = curr->nextRootBox()) {
             if (paginated) {
                 paginationDelta -= curr->paginationStrut();
                 adjustLinePositionForPagination(*curr, paginationDelta);
                 if (paginationDelta) {
                     if (containsFloats() || !layoutState.floats().isEmpty()) {
                         // FIXME: Do better eventually.  For now if we ever shift because of pagination and floats are present just go to a full layout.
                         layoutState.markForFullLayout();
                         break;
                     }
 
                     layoutState.updatePaintInvalidationRangeFromBox(curr, paginationDelta);
                     curr->moveInBlockDirection(paginationDelta);
                 }
             }
 
             // If the linebox breaks cleanly and with clearance then dirty from at least this point onwards so that we can clear the correct floats without difficulty.
             if (!firstLineBoxWithBreakAndClearance && lineBoxHasBRWithClearance(curr))
                 firstLineBoxWithBreakAndClearance = curr;
 
-            if (dirtiedByFloat || layoutState.isFullLayout())
+            if (layoutState.isFullLayout())
                 break;
         }
     }
 
     if (layoutState.isFullLayout()) {
         // If we encountered a new float and have inline children, mark ourself to force us to issue paint invalidations.
         if (layoutState.hasInlineChild() && !selfNeedsLayout()) {
             setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::FloatDescendantChanged, MarkOnlyThis);
             setShouldDoFullPaintInvalidation();
         }
 
         deleteLineBoxTree();
         curr = nullptr;
         ASSERT(!firstLineBox() && !lastLineBox());
     } else {
         if (firstLineBoxWithBreakAndClearance)
             curr = firstLineBoxWithBreakAndClearance;
         if (curr) {
             // We have a dirty line.
             if (RootInlineBox* prevRootBox = curr->prevRootBox()) {
                 // We have a previous line.
-                if (!dirtiedByFloat && (!prevRootBox->endsWithBreak() || !prevRootBox->lineBreakObj() || (prevRootBox->lineBreakObj()->isText() && prevRootBox->lineBreakPos() >= toLayoutText(prevRootBox->lineBreakObj())->textLength()))) {
+                if (!prevRootBox->endsWithBreak() || !prevRootBox->lineBreakObj() || (prevRootBox->lineBreakObj()->isText() && prevRootBox->lineBreakPos() >= toLayoutText(prevRootBox->lineBreakObj())->textLength())) {
                     // The previous line didn't break cleanly or broke at a newline
                     // that has been deleted, so treat it as dirty too.
                     curr = prevRootBox;
                 }
             }
         } else {
             // No dirty lines were found.
             // If the last line didn't break cleanly, treat it as dirty.
             if (lastRootBox() && !lastRootBox()->endsWithBreak())
                 curr = lastRootBox();
@@ skipping 351 matching lines @@
     LayoutUnit logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false);
     LayoutUnit availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 }