[Clang] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

Differential revision: https://reviews.llvm.org/D66259

llvm-svn: 368942
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 5d6f17e..d5ef7db 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -8729,7 +8729,7 @@
        /* In loop */) {
     FunctionDecl *FD = cast<FunctionDecl>(GetDecl(LateParsedTemplates[Idx++]));
 
-    auto LT = llvm::make_unique<LateParsedTemplate>();
+    auto LT = std::make_unique<LateParsedTemplate>();
     LT->D = GetDecl(LateParsedTemplates[Idx++]);
 
     ModuleFile *F = getOwningModuleFile(LT->D);
diff --git a/clang/lib/Serialization/ModuleManager.cpp b/clang/lib/Serialization/ModuleManager.cpp
index fb8f1d9..8b51a42 100644
--- a/clang/lib/Serialization/ModuleManager.cpp
+++ b/clang/lib/Serialization/ModuleManager.cpp
@@ -144,7 +144,7 @@
   }
 
   // Allocate a new module.
-  auto NewModule = llvm::make_unique<ModuleFile>(Type, Generation);
+  auto NewModule = std::make_unique<ModuleFile>(Type, Generation);
   NewModule->Index = Chain.size();
   NewModule->FileName = FileName.str();
   NewModule->File = Entry;
diff --git a/clang/lib/Serialization/PCHContainerOperations.cpp b/clang/lib/Serialization/PCHContainerOperations.cpp
index 00063d6..d4990fc 100644
--- a/clang/lib/Serialization/PCHContainerOperations.cpp
+++ b/clang/lib/Serialization/PCHContainerOperations.cpp
@@ -54,7 +54,7 @@
     CompilerInstance &CI, const std::string &MainFileName,
     const std::string &OutputFileName, std::unique_ptr<llvm::raw_pwrite_stream> OS,
     std::shared_ptr<PCHBuffer> Buffer) const {
-  return llvm::make_unique<RawPCHContainerGenerator>(std::move(OS), Buffer);
+  return std::make_unique<RawPCHContainerGenerator>(std::move(OS), Buffer);
 }
 
 StringRef
@@ -63,6 +63,6 @@
 }
 
 PCHContainerOperations::PCHContainerOperations() {
-  registerWriter(llvm::make_unique<RawPCHContainerWriter>());
-  registerReader(llvm::make_unique<RawPCHContainerReader>());
+  registerWriter(std::make_unique<RawPCHContainerWriter>());
+  registerReader(std::make_unique<RawPCHContainerReader>());
 }