Use StringBuilder::appendLiteral() / StringBuilder::append(char) when possible

Source/bindings/core/v8/ExceptionMessages.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 54 matching lines @@
         return formatFiniteNumber(number);
     }
 
     static String incorrectPropertyType(const String& property, const String& detail);
 
     template <typename NumberType>
     static String indexExceedsMaximumBound(const char* name, NumberType given, NumberType bound)
     {
         bool eq = given == bound;
         StringBuilder result;
-        result.append("The ");
+        result.appendLiteral("The ");
         result.append(name);
-        result.append(" provided (");
+        result.appendLiteral(" provided (");
         result.append(formatNumber(given));
-        result.append(") is greater than ");
+        result.appendLiteral(") is greater than ");
         result.append(eq ? "or equal to " : "");
-        result.append("the maximum bound (");
+        result.appendLiteral("the maximum bound (");
         result.append(formatNumber(bound));
-        result.append(").");
+        result.appendLiteral(").");
         return result.toString();
     }
 
     template <typename NumberType>
     static String indexExceedsMinimumBound(const char* name, NumberType given, NumberType bound)
     {
         bool eq = given == bound;
         StringBuilder result;
-        result.append("The ");
+        result.appendLiteral("The ");
         result.append(name);
-        result.append(" provided (");
+        result.appendLiteral(" provided (");
         result.append(formatNumber(given));
-        result.append(") is less than ");
+        result.appendLiteral(") is less than ");
         result.append(eq ? "or equal to " : "");
-        result.append("the minimum bound (");
+        result.appendLiteral("the minimum bound (");
         result.append(formatNumber(bound));
-        result.append(").");
+        result.appendLiteral(").");
         return result.toString();
     }
 
     template <typename NumberType>
     static String indexOutsideRange(const char* name, NumberType given, NumberType lowerBound, BoundType lowerType, NumberType upperBound, BoundType upperType)
     {
         StringBuilder result;
-        result.append("The ");
+        result.appendLiteral("The ");
         result.append(name);
-        result.append(" provided (");
+        result.appendLiteral(" provided (");
         result.append(formatNumber(given));
-        result.append(") is outside the range ");
+        result.appendLiteral(") is outside the range ");
         result.append(lowerType == ExclusiveBound ? '(' : '[');
         result.append(formatNumber(lowerBound));
-        result.append(", ");
+        result.appendLiteral(", ");
         result.append(formatNumber(upperBound));
         result.append(upperType == ExclusiveBound ? ')' : ']');
         result.append('.');
         return result.toString();
     }
 
     static String invalidArity(const char* expected, unsigned provided);
 
     // If  > 0, the argument index that failed type check (1-indexed.)
     // If == 0, a (non-argument) value (e.g., a setter) failed the same check.
@@ skipping 29 matching lines @@
 
     static String ordinalNumber(int number);
 };
 
 template <> String ExceptionMessages::formatNumber<float>(float number);
 template <> String ExceptionMessages::formatNumber<double>(double number);
 
 } // namespace blink
 
 #endif // ExceptionMessages_h