Replace RenderArena with PartitionAlloc.

Source/core/rendering/RenderLineBoxList.cpp

Index: Source/core/rendering/RenderLineBoxList.cpp
diff --git a/Source/core/rendering/RenderLineBoxList.cpp b/Source/core/rendering/RenderLineBoxList.cpp
index 2adc730a2104a1e87f620baab5d976cde4f92f5b..ab10b68e9b2ebce0670e8a0781573b1fb8429767 100644
--- a/Source/core/rendering/RenderLineBoxList.cpp
+++ b/Source/core/rendering/RenderLineBoxList.cpp
@@ -32,7 +32,6 @@
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/PaintInfo.h"
-#include "core/rendering/RenderArena.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RootInlineBox.h"
 
@@ -63,13 +62,13 @@ void RenderLineBoxList::appendLineBox(InlineFlowBox* box)
     checkConsistency();
 }
 
-void RenderLineBoxList::deleteLineBoxTree(RenderArena* arena)
+void RenderLineBoxList::deleteLineBoxTree()
 {
     InlineFlowBox* line = m_firstLineBox;
     InlineFlowBox* nextLine;
     while (line) {
         nextLine = line->nextLineBox();
-        line->deleteLine(arena);
+        line->deleteLine();
         line = nextLine;
     }
     m_firstLineBox = m_lastLineBox = 0;
@@ -126,13 +125,13 @@ void RenderLineBoxList::removeLineBox(InlineFlowBox* box)
     checkConsistency();
 }
 
-void RenderLineBoxList::deleteLineBoxes(RenderArena* arena)
+void RenderLineBoxList::deleteLineBoxes()
 {
     if (m_firstLineBox) {
         InlineFlowBox* next;
         for (InlineFlowBox* curr = m_firstLineBox; curr; curr = next) {
             next = curr->nextLineBox();
-            curr->destroy(arena);
+            curr->destroy();
         }
         m_firstLineBox = 0;
         m_lastLineBox = 0;