[ProfileData] Thread unique_ptr through the summary builder to avoid leaks.

llvm-svn: 270195
diff --git a/llvm/lib/ProfileData/ProfileSummaryBuilder.cpp b/llvm/lib/ProfileData/ProfileSummaryBuilder.cpp
index ee40d68..1e71bb9 100644
--- a/llvm/lib/ProfileData/ProfileSummaryBuilder.cpp
+++ b/llvm/lib/ProfileData/ProfileSummaryBuilder.cpp
@@ -86,18 +86,18 @@
   }
 }
 
-ProfileSummary *SampleProfileSummaryBuilder::getSummary() {
+std::unique_ptr<ProfileSummary> SampleProfileSummaryBuilder::getSummary() {
   computeDetailedSummary();
-  return new ProfileSummary(ProfileSummary::PSK_Sample, DetailedSummary,
-                            TotalCount, MaxCount, 0, MaxFunctionCount,
-                            NumCounts, NumFunctions);
+  return llvm::make_unique<ProfileSummary>(
+      ProfileSummary::PSK_Sample, DetailedSummary, TotalCount, MaxCount, 0,
+      MaxFunctionCount, NumCounts, NumFunctions);
 }
 
-ProfileSummary *InstrProfSummaryBuilder::getSummary() {
+std::unique_ptr<ProfileSummary> InstrProfSummaryBuilder::getSummary() {
   computeDetailedSummary();
-  return new ProfileSummary(ProfileSummary::PSK_Instr, DetailedSummary,
-                            TotalCount, MaxCount, MaxInternalBlockCount,
-                            MaxFunctionCount, NumCounts, NumFunctions);
+  return llvm::make_unique<ProfileSummary>(
+      ProfileSummary::PSK_Instr, DetailedSummary, TotalCount, MaxCount,
+      MaxInternalBlockCount, MaxFunctionCount, NumCounts, NumFunctions);
 }
 
 void InstrProfSummaryBuilder::addEntryCount(uint64_t Count) {