Removal of more temporary Range objects.

Source/core/editing/TextCheckingHelper.h

Index: Source/core/editing/TextCheckingHelper.h
diff --git a/Source/core/editing/TextCheckingHelper.h b/Source/core/editing/TextCheckingHelper.h
index 64ba7c0f5dabc6944b5ff15638d351c181a507e9..6e0c2389a2ac110270bddc425499639abb9b141a 100644
--- a/Source/core/editing/TextCheckingHelper.h
+++ b/Source/core/editing/TextCheckingHelper.h
@@ -21,6 +21,7 @@
 #ifndef TextCheckingHelper_h
 #define TextCheckingHelper_h
 
+#include "core/dom/Position.h"
 #include "platform/heap/Handle.h"
 #include "platform/text/TextChecking.h"
 #include "wtf/text/WTFString.h"
@@ -30,7 +31,6 @@ namespace blink {
 class ExceptionState;
 class LocalFrame;
 class Range;
-class Position;
 class SpellCheckerClient;
 class TextCheckerClient;
 struct TextCheckingResult;
@@ -82,7 +82,7 @@ class TextCheckingHelper {
     WTF_MAKE_NONCOPYABLE(TextCheckingHelper);
     STACK_ALLOCATED();
 public:
-    TextCheckingHelper(SpellCheckerClient&, PassRefPtrWillBeRawPtr<Range>);
+    TextCheckingHelper(SpellCheckerClient&, const Position& start, const Position& end);
     ~TextCheckingHelper();
 
     String findFirstMisspelling(int& firstMisspellingOffset, bool markAll, RefPtrWillBeRawPtr<Range>& firstMisspellingRange);
@@ -93,7 +93,8 @@ public:
 
 private:
     SpellCheckerClient* m_client;
-    RefPtrWillBeMember<Range> m_range;
+    Position m_start;
+    Position m_end;
 
     int findFirstGrammarDetail(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int startOffset, int endOffset, bool markAll) const;
     bool unifiedTextCheckerEnabled() const;