Move ParseConditionalExpression to ParserBase.

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 9fd636c222b81961c12343a4535d46189a63f252..e253925b6bfcf840704e82f16342b9c3072761f2 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -557,7 +557,7 @@ class ParserTraits {
       int function_token_position,
       FunctionLiteral::FunctionType type,
       bool* ok);
-  Expression* ParseConditionalExpression(bool accept_IN, bool* ok);
+  Expression* ParseBinaryExpression(int prec, bool accept_IN, bool* ok);
 
  private:
   Parser* parser_;
@@ -700,7 +700,6 @@ class Parser : public ParserBase<ParserTraits> {
   // Support for hamony block scoped bindings.
   Block* ParseScopedBlock(ZoneStringList* labels, bool* ok);
 
-  Expression* ParseConditionalExpression(bool accept_IN, bool* ok);
   Expression* ParseBinaryExpression(int prec, bool accept_IN, bool* ok);
   Expression* ParseUnaryExpression(bool* ok);
   Expression* ParsePostfixExpression(bool* ok);