Remove unneeded const on updateOffsetIfNeeded method.

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index 8e56d3794773f3797d1bc37622aebc6604024b04..0c9001d434bd493a622b36e6fd2992f212192137 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -4247,7 +4247,7 @@ static bool rangesIntersect(int floatTop, int floatBottom, int objectTop, int ob
 }
 
 template<>
-bool RenderBlock::FloatIntervalSearchAdapter<RenderBlock::FloatingObject::FloatLeft>::updateOffsetIfNeeded(const FloatingObject* floatingObject) const
+bool RenderBlock::FloatIntervalSearchAdapter<RenderBlock::FloatingObject::FloatLeft>::updateOffsetIfNeeded(const FloatingObject* floatingObject)
 {
     LayoutUnit logicalRight = m_renderer->logicalRightForFloat(floatingObject);
     if (logicalRight > m_offset) {
@@ -4258,7 +4258,7 @@ bool RenderBlock::FloatIntervalSearchAdapter<RenderBlock::FloatingObject::FloatL
 }
 
 template<>
-bool RenderBlock::FloatIntervalSearchAdapter<RenderBlock::FloatingObject::FloatRight>::updateOffsetIfNeeded(const FloatingObject* floatingObject) const
+bool RenderBlock::FloatIntervalSearchAdapter<RenderBlock::FloatingObject::FloatRight>::updateOffsetIfNeeded(const FloatingObject* floatingObject)
 {
     LayoutUnit logicalLeft = m_renderer->logicalLeftForFloat(floatingObject);
     if (logicalLeft < m_offset) {