misc: unified scope for unique_ptr (#24)

src/blob_gc_job.cc

@@ -287,7 +287,7 @@ Status BlobGCJob::DoRunGC() {
       if (!s.ok()) {
         break;
       }
-      blob_file_builder = unique_ptr<BlobFileBuilder>(
+      blob_file_builder = std::unique_ptr<BlobFileBuilder>(
           new BlobFileBuilder(db_options_, blob_gc_->titan_cf_options(),
                               blob_file_handle->GetFile()));
       file_size = 0;
@@ -339,7 +339,8 @@ Status BlobGCJob::DoRunGC() {
   return s;
 }
 
-Status BlobGCJob::BuildIterator(unique_ptr<BlobFileMergeIterator>* result) {
+Status BlobGCJob::BuildIterator(
+    std::unique_ptr<BlobFileMergeIterator>* result) {
   Status s;
   const auto& inputs = blob_gc_->sampled_inputs();
   assert(!inputs.empty());

tools/db_bench_tool.cc

@@ -1192,7 +1192,7 @@ class ReportFileOpEnv : public EnvWrapper {
       ReportFileOpCounters* counters_;
 
      public:
-      CountingFile(unique_ptr<SequentialFile>&& target,
+      CountingFile(std::unique_ptr<SequentialFile>&& target,
                    ReportFileOpCounters* counters)
           : target_(std::move(target)), counters_(counters) {}
 
@@ -1224,7 +1224,7 @@ class ReportFileOpEnv : public EnvWrapper {
       ReportFileOpCounters* counters_;
 
      public:
-      CountingFile(unique_ptr<RandomAccessFile>&& target,
+      CountingFile(std::unique_ptr<RandomAccessFile>&& target,
                    ReportFileOpCounters* counters)
           : target_(std::move(target)), counters_(counters) {}
       virtual Status Read(uint64_t offset, size_t n, Slice* result,
@@ -1253,7 +1253,7 @@ class ReportFileOpEnv : public EnvWrapper {
       ReportFileOpCounters* counters_;
 
      public:
-      CountingFile(unique_ptr<WritableFile>&& target,
+      CountingFile(std::unique_ptr<WritableFile>&& target,
                    ReportFileOpCounters* counters)
           : target_(std::move(target)), counters_(counters) {}
 

tools/titandb_stress.cc

@@ -902,7 +902,7 @@ class SharedState {
       if (status.ok()) {
         status = FLAGS_env->GetFileSize(FLAGS_expected_values_path, &size);
       }
-      unique_ptr<WritableFile> wfile;
+      std::unique_ptr<WritableFile> wfile;
       if (status.ok() && size == 0) {
         const EnvOptions soptions;
         status = FLAGS_env->NewWritableFile(FLAGS_expected_values_path, &wfile,
@@ -2444,7 +2444,7 @@ class NonBatchedOpsStressTest : public StressTest {
       }
       if (!thread->rand.OneIn(2)) {
         // Use iterator to verify this range
-        unique_ptr<Iterator> iter(
+        std::unique_ptr<Iterator> iter(
             db_->NewIterator(options, column_families_[cf]));
         iter->Seek(Key(start));
         for (auto i = start; i < end; i++) {