Add DISABLE_CFI_PERF attribute on the methods with CFI checks disabled.

third_party/WebKit/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 1266 matching lines @@
     if (startMargin.isFixed())
         margins += adjustFloatForSubPixelLayout(startMargin.value());
     if (endMargin.isFixed())
         margins += adjustFloatForSubPixelLayout(endMargin.value());
     childMin += margins;
     childMax += margins;
 }
 
 // FIXME: This function should be broken into something less monolithic.
 // FIXME: The main loop here is very similar to LineBreaker::nextSegmentBreak. They can probably reuse code.
+DISABLE_CFI_PERF
 void LayoutBlockFlow::computeInlinePreferredLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth)
 {
     LayoutUnit inlineMax;
     LayoutUnit inlineMin;
 
     const ComputedStyle& styleToUse = styleRef();
     LayoutBlock* containingBlock = this->containingBlock();
     LayoutUnit cw = containingBlock ? containingBlock->contentLogicalWidth() : LayoutUnit();
 
     // If we are at the start of a line, we want to ignore all white-space.
@@ skipping 281 matching lines @@
     const LayoutObject* objectToCheck = block;
     if (block->isAnonymousBlock()) {
         const LayoutObject* parent = block->parent();
         if (!parent || !parent->behavesLikeBlockContainer())
             return false;
         objectToCheck = parent;
     }
     return objectToCheck->hasOverflowClip() && objectToCheck->style()->getTextOverflow();
 }
 
+DISABLE_CFI_PERF
 void LayoutBlockFlow::layoutInlineChildren(bool relayoutChildren, LayoutUnit afterEdge)
 {
     // Figure out if we should clear out our line boxes.
     // FIXME: Handle resize eventually!
     bool isFullLayout = !firstLineBox() || selfNeedsLayout() || relayoutChildren;
     LineLayoutState layoutState(isFullLayout);
 
     if (isFullLayout) {
         // Ensure the old line boxes will be erased.
         if (firstLineBox())
@@ skipping 517 matching lines @@
 bool LayoutBlockFlow::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const
 {
     // LayoutBlockFlow is in charge of paint invalidation of the first line.
     if (firstLineBox())
         return false;
 
     return LayoutBlock::paintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 } // namespace blink