Fix style erros in XPath-related files.

Source/core/xml/XPathFunctions.h

Index: Source/core/xml/XPathFunctions.h
diff --git a/Source/core/xml/XPathFunctions.h b/Source/core/xml/XPathFunctions.h
index 26f22ce7efc6f4fb6e8c2b65fbb7b69b6f4e6769..e39632c73e08b64ead43fba2b6180f14b3b1eccd 100644
--- a/Source/core/xml/XPathFunctions.h
+++ b/Source/core/xml/XPathFunctions.h
@@ -31,26 +31,27 @@
 
 namespace WebCore {
 
-    namespace XPath {
-
-        class Function : public Expression {
-        public:
-            void setArguments(WillBeHeapVector<OwnPtrWillBeMember<Expression> >&);
-            void setName(const String& name) { m_name = name; }
-        protected:
-            Expression* arg(int pos) { return subExpr(pos); }
-            const Expression* arg(int pos) const { return subExpr(pos); }
-            unsigned argCount() const { return subExprCount(); }
-            String name() const { return m_name; }
-
-        private:
-            String m_name;
-        };
-
-        Function* createFunction(const String& name);
-        Function* createFunction(const String& name, WillBeHeapVector<OwnPtrWillBeMember<Expression> >&);
-
-    } // namespace XPath
+namespace XPath {
+
+class Function : public Expression {
+public:
+    void setArguments(WillBeHeapVector<OwnPtrWillBeMember<Expression> >&);
+    void setName(const String& name) { m_name = name; }
+
+protected:
+    Expression* arg(int pos) { return subExpr(pos); }
+    const Expression* arg(int pos) const { return subExpr(pos); }
+    unsigned argCount() const { return subExprCount(); }
+    String name() const { return m_name; }
+
+private:
+    String m_name;
+};
+
+Function* createFunction(const String& name);
+Function* createFunction(const String& name, WillBeHeapVector<OwnPtrWillBeMember<Expression> >&);
+
+} // namespace XPath
 
 } // namespace WebCore