Revert of Remove StringBuilder::appendLiteral.

third_party/WebKit/Source/core/svg/SVGParsingError.cpp

Index: third_party/WebKit/Source/core/svg/SVGParsingError.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGParsingError.cpp b/third_party/WebKit/Source/core/svg/SVGParsingError.cpp
index 37c0a6ae5ea2d96947ae298db09c3804afd18535..79215882d288bd36ca964a85b8fb6cb2207693a0 100644
--- a/third_party/WebKit/Source/core/svg/SVGParsingError.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGParsingError.cpp
@@ -19,7 +19,7 @@
 {
     builder.append('<');
     builder.append(tagName);
-    builder.append("> attribute ");
+    builder.appendLiteral("> attribute ");
     builder.append(name.toString());
 }
 
@@ -108,10 +108,10 @@
     StringBuilder builder;
 
     appendErrorContextInfo(builder, tagName, name);
-    builder.append(": ");
+    builder.appendLiteral(": ");
 
     if (hasLocus() && locus() == value.length())
-        builder.append("Unexpected end of attribute. ");
+        builder.appendLiteral("Unexpected end of attribute. ");
 
     auto message = messageForStatus(status());
     builder.append(message.first);