[clang-tidy] Use unresolvedLookupExpr node matcher from ASTMatcher.

Reviewers: alexfh, aaron.ballman

Subscribers: aaron.ballman, cfe-commits

Differential Revision: http://reviews.llvm.org/D20367

llvm-svn: 269928

clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.cpp

@@ -10,7 +10,6 @@
 #include "UnusedUsingDeclsCheck.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
-#include "clang/ASTMatchers/ASTMatchersInternal.h"
 #include "clang/Lex/Lexer.h"
 
 using namespace clang::ast_matchers;
@@ -19,12 +18,6 @@ namespace clang {
 namespace tidy {
 namespace misc {
 
-namespace {
-// FIXME: Move this node matcher to ASTMatcher.
-const internal::VariadicDynCastAllOfMatcher<Stmt, UnresolvedLookupExpr>
-    unresolvedLookupExpr;
-}
-
 void UnusedUsingDeclsCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(usingDecl(isExpansionInMainFile()).bind("using"), this);
   auto DeclMatcher = hasDeclaration(namedDecl().bind("used"));