[tooling] RefactoringCallbacks code cleanup

This diff
 1. adds missing "explicit" for single argument constructors
 2. adds missing std::move in ReplaceNodeWithTemplate constructor

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D33061

llvm-svn: 302855
diff --git a/clang/lib/Tooling/RefactoringCallbacks.cpp b/clang/lib/Tooling/RefactoringCallbacks.cpp
index ad0a10d..9fd333c 100644
--- a/clang/lib/Tooling/RefactoringCallbacks.cpp
+++ b/clang/lib/Tooling/RefactoringCallbacks.cpp
@@ -38,7 +38,7 @@
 
 class RefactoringASTConsumer : public ASTConsumer {
 public:
-  RefactoringASTConsumer(ASTMatchRefactorer &Refactoring)
+  explicit RefactoringASTConsumer(ASTMatchRefactorer &Refactoring)
       : Refactoring(Refactoring) {}
 
   void HandleTranslationUnit(ASTContext &Context) override {
@@ -153,8 +153,8 @@
 }
 
 ReplaceNodeWithTemplate::ReplaceNodeWithTemplate(
-    llvm::StringRef FromId, std::vector<TemplateElement> &&Template)
-    : FromId(FromId), Template(Template) {}
+    llvm::StringRef FromId, std::vector<TemplateElement> Template)
+    : FromId(FromId), Template(std::move(Template)) {}
 
 llvm::Expected<std::unique_ptr<ReplaceNodeWithTemplate>>
 ReplaceNodeWithTemplate::create(StringRef FromId, StringRef ToTemplate) {