Replace SmartPointer<T> with unique_ptr<T>

src/background-parsing-task.h

Index: src/background-parsing-task.h
diff --git a/src/background-parsing-task.h b/src/background-parsing-task.h
index 0f290fb7f052fef4577b5a0f365795bcea0ca76e..08049e7513476474d3f1dc48c7296e53dffd4d51 100644
--- a/src/background-parsing-task.h
+++ b/src/background-parsing-task.h
@@ -5,9 +5,10 @@
 #ifndef V8_BACKGROUND_PARSING_TASK_H_
 #define V8_BACKGROUND_PARSING_TASK_H_
 
+#include <memory>
+
 #include "src/base/platform/platform.h"
 #include "src/base/platform/semaphore.h"
-#include "src/base/smart-pointers.h"
 #include "src/compiler.h"
 #include "src/parsing/parser.h"
 
@@ -23,17 +24,17 @@ struct StreamedSource {
       : source_stream(source_stream), encoding(encoding) {}
 
   // Internal implementation of v8::ScriptCompiler::StreamedSource.
-  base::SmartPointer<ScriptCompiler::ExternalSourceStream> source_stream;
+  std::unique_ptr<ScriptCompiler::ExternalSourceStream> source_stream;
   ScriptCompiler::StreamedSource::Encoding encoding;
-  base::SmartPointer<ScriptCompiler::CachedData> cached_data;
+  std::unique_ptr<ScriptCompiler::CachedData> cached_data;
 
   // Data needed for parsing, and data needed to to be passed between thread
   // between parsing and compilation. These need to be initialized before the
   // compilation starts.
   UnicodeCache unicode_cache;
-  base::SmartPointer<Zone> zone;
-  base::SmartPointer<ParseInfo> info;
-  base::SmartPointer<Parser> parser;
+  std::unique_ptr<Zone> zone;
+  std::unique_ptr<ParseInfo> info;
+  std::unique_ptr<Parser> parser;
 
  private:
   // Prevent copying. Not implemented.