Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/fileapi/FileReaderLoader.h

Index: third_party/WebKit/Source/core/fileapi/FileReaderLoader.h
diff --git a/third_party/WebKit/Source/core/fileapi/FileReaderLoader.h b/third_party/WebKit/Source/core/fileapi/FileReaderLoader.h
index 9d5f4533f3c87e6528eb492e78dadbe151d4748a..66060e06d903a28dac6060f2250117f95a618800 100644
--- a/third_party/WebKit/Source/core/fileapi/FileReaderLoader.h
+++ b/third_party/WebKit/Source/core/fileapi/FileReaderLoader.h
@@ -36,11 +36,10 @@
 #include "core/loader/ThreadableLoaderClient.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Forward.h"
-#include "wtf/PtrUtil.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/text/TextEncoding.h"
 #include "wtf/text/WTFString.h"
 #include "wtf/typed_arrays/ArrayBufferBuilder.h"
-#include <memory>
 
 namespace blink {
 
@@ -64,9 +63,9 @@ public:
     };
 
     // If client is given, do the loading asynchronously. Otherwise, load synchronously.
-    static std::unique_ptr<FileReaderLoader> create(ReadType readType, FileReaderLoaderClient* client)
+    static PassOwnPtr<FileReaderLoader> create(ReadType readType, FileReaderLoaderClient* client)
     {
-        return wrapUnique(new FileReaderLoader(readType, client));
+        return adoptPtr(new FileReaderLoader(readType, client));
     }
 
     FileReaderLoader(ReadType, FileReaderLoaderClient*);
@@ -77,7 +76,7 @@ public:
     void cancel();
 
     // ThreadableLoaderClient
-    void didReceiveResponse(unsigned long, const ResourceResponse&, std::unique_ptr<WebDataConsumerHandle>) override;
+    void didReceiveResponse(unsigned long, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
     void didReceiveData(const char*, unsigned) override;
     void didFinishLoading(unsigned long, double) override;
     void didFail(const ResourceError&) override;
@@ -123,15 +122,15 @@ private:
 
     KURL m_urlForReading;
     bool m_urlForReadingIsStream;
-    std::unique_ptr<ThreadableLoader> m_loader;
+    OwnPtr<ThreadableLoader> m_loader;
 
-    std::unique_ptr<ArrayBufferBuilder> m_rawData;
+    OwnPtr<ArrayBufferBuilder> m_rawData;
     bool m_isRawDataConverted;
 
     String m_stringResult;
 
     // The decoder used to decode the text data.
-    std::unique_ptr<TextResourceDecoder> m_decoder;
+    OwnPtr<TextResourceDecoder> m_decoder;
 
     bool m_finishedLoading;
     long long m_bytesLoaded;