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

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1901 matching lines @@
 {
     ASSERT(document);
     if (!document->frame()) {
         exceptionState.throwDOMException(InvalidAccessError, "The document provided is invalid.");
         return String();
     }
 
     Cursor cursor = document->frame()->eventHandler().currentMouseCursor();
 
     StringBuilder result;
-    result.append("type=");
+    result.appendLiteral("type=");
     result.append(cursorTypeToString(cursor.type()));
-    result.append(" hotSpot=");
+    result.appendLiteral(" hotSpot=");
     result.appendNumber(cursor.hotSpot().x());
-    result.append(",");
+    result.append(',');
     result.appendNumber(cursor.hotSpot().y());
     if (cursor.image()) {
         IntSize size = cursor.image()->size();
-        result.append(" image=");
+        result.appendLiteral(" image=");
         result.appendNumber(size.width());
-        result.append("x");
+        result.append('x');
         result.appendNumber(size.height());
     }
     if (cursor.imageScaleFactor() != 1) {
-        result.append(" scale=");
+        result.appendLiteral(" scale=");
         NumberToStringBuffer buffer;
         result.append(numberToFixedPrecisionString(cursor.imageScaleFactor(), 8, buffer, true));
     }
 
     return result.toString();
 }
 
 PassRefPtr<ArrayBuffer> Internals::serializeObject(PassRefPtr<SerializedScriptValue> value) const
 {
     String stringValue = value->toWireString();
@@ skipping 273 matching lines @@
 {
     Vector<Document::TransitionElementData> elementData;
     frame()->document()->getTransitionElementData(elementData);
 
     Vector<Document::TransitionElementData>::iterator iter = elementData.begin();
     for (; iter != elementData.end(); ++iter)
         frame()->document()->hideTransitionElements(AtomicString(iter->selector));
 }
 
 } // namespace blink