Turn FileManager DirectoryEntry::Name from raw pointer to StringRef (NFC)

llvm-svn: 283856
diff --git a/clang/unittests/Basic/FileManagerTest.cpp b/clang/unittests/Basic/FileManagerTest.cpp
index 2c60671..4cf21cd 100644
--- a/clang/unittests/Basic/FileManagerTest.cpp
+++ b/clang/unittests/Basic/FileManagerTest.cpp
@@ -52,7 +52,7 @@
   }
 
   // Implement FileSystemStatCache::getStat().
-  LookupResult getStat(const char *Path, FileData &Data, bool isFile,
+  LookupResult getStat(StringRef Path, FileData &Data, bool isFile,
                        std::unique_ptr<vfs::File> *F,
                        vfs::FileSystem &FS) override {
     if (StatCalls.count(Path) != 0) {
@@ -82,14 +82,14 @@
 
   const DirectoryEntry *dir = file->getDir();
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ(".", dir->getName());
+  EXPECT_EQ(".", dir->getName());
 
   file = manager.getVirtualFile("x/y/z.cpp", 42, 0);
   ASSERT_TRUE(file != nullptr);
 
   dir = file->getDir();
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ("x/y", dir->getName());
+  EXPECT_EQ("x/y", dir->getName());
 }
 
 // Before any virtual file is added, no virtual directory exists.
@@ -115,11 +115,11 @@
 
   const DirectoryEntry *dir = manager.getDirectory("virtual/dir");
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ("virtual/dir", dir->getName());
+  EXPECT_EQ("virtual/dir", dir->getName());
 
   dir = manager.getDirectory("virtual");
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ("virtual", dir->getName());
+  EXPECT_EQ("virtual", dir->getName());
 }
 
 // getFile() returns non-NULL if a real file exists at the given path.
@@ -144,7 +144,7 @@
 
   const DirectoryEntry *dir = file->getDir();
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ("/tmp", dir->getName());
+  EXPECT_EQ("/tmp", dir->getName());
 
 #ifdef LLVM_ON_WIN32
   file = manager.getFile(FileName);
@@ -152,7 +152,7 @@
 
   dir = file->getDir();
   ASSERT_TRUE(dir != NULL);
-  EXPECT_STREQ(DirName, dir->getName());
+  EXPECT_EQ(DirName, dir->getName());
 #endif
 }
 
@@ -168,7 +168,7 @@
 
   const DirectoryEntry *dir = file->getDir();
   ASSERT_TRUE(dir != nullptr);
-  EXPECT_STREQ("virtual/dir", dir->getName());
+  EXPECT_EQ("virtual/dir", dir->getName());
 }
 
 // getFile() returns different FileEntries for different paths when