Remove unused createdByParser flags and arguments.

third_party/WebKit/Source/core/dom/ProcessingInstruction.h

Index: third_party/WebKit/Source/core/dom/ProcessingInstruction.h
diff --git a/third_party/WebKit/Source/core/dom/ProcessingInstruction.h b/third_party/WebKit/Source/core/dom/ProcessingInstruction.h
index 7a13785ece4b93f90dfb2951eb30ca6443eda805..46d9df974b12a70989cccd67e7afd0e93cdfdd75 100644
--- a/third_party/WebKit/Source/core/dom/ProcessingInstruction.h
+++ b/third_party/WebKit/Source/core/dom/ProcessingInstruction.h
@@ -42,9 +42,6 @@ public:
     DECLARE_VIRTUAL_TRACE();
 
     const String& target() const { return m_target; }
-
-    void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }
-
     const String& localHref() const { return m_localHref; }
     StyleSheet* sheet() const { return m_sheet.get(); }
 
@@ -108,7 +105,6 @@ private:
     RefPtrWillBeMember<StyleSheet> m_sheet;
     bool m_loading;
     bool m_alternate;
-    bool m_createdByParser;
     bool m_isCSS;
     bool m_isXSL;