Use 'override/final' instead of 'virtual' for overridden methods

Summary:
The patch is generated using clang-tidy misc-use-override check.

This command was used:

  tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
    -checks='-*,misc-use-override' -header-filter='llvm|clang' -j=32 -fix

Reviewers: dblaikie

Reviewed By: dblaikie

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D8926

llvm-svn: 234678
diff --git a/clang/unittests/Lex/PPCallbacksTest.cpp b/clang/unittests/Lex/PPCallbacksTest.cpp
index bb27bac..da641a7 100644
--- a/clang/unittests/Lex/PPCallbacksTest.cpp
+++ b/clang/unittests/Lex/PPCallbacksTest.cpp
@@ -54,15 +54,11 @@
 // Stub to collect data from InclusionDirective callbacks.
 class InclusionDirectiveCallbacks : public PPCallbacks {
 public:
-  void InclusionDirective(SourceLocation HashLoc, 
-    const Token &IncludeTok, 
-    StringRef FileName, 
-    bool IsAngled, 
-    CharSourceRange FilenameRange, 
-    const FileEntry *File, 
-    StringRef SearchPath, 
-    StringRef RelativePath, 
-    const Module *Imported) {
+  void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok,
+                          StringRef FileName, bool IsAngled,
+                          CharSourceRange FilenameRange, const FileEntry *File,
+                          StringRef SearchPath, StringRef RelativePath,
+                          const Module *Imported) override {
       this->HashLoc = HashLoc;
       this->IncludeTok = IncludeTok;
       this->FileName = FileName.str();
@@ -95,9 +91,10 @@
 
   PragmaOpenCLExtensionCallbacks() : Name("Not called."), State(99) {};
 
-  void PragmaOpenCLExtension(
-    clang::SourceLocation NameLoc, const clang::IdentifierInfo *Name,
-    clang::SourceLocation StateLoc, unsigned State) {
+  void PragmaOpenCLExtension(clang::SourceLocation NameLoc,
+                             const clang::IdentifierInfo *Name,
+                             clang::SourceLocation StateLoc,
+                             unsigned State) override {
       this->NameLoc = NameLoc;
       this->Name = Name->getName();
       this->StateLoc = StateLoc;