Remove OwnPtr from Blink.

third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h

Index: third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h b/third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h
index 18796f83034132f99cc072e7e17bbeae52ce16af..35837bdadf9e1224605cb467d543a8f539f12078 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h
+++ b/third_party/WebKit/Source/core/html/parser/HTMLMetaCharsetParser.h
@@ -29,8 +29,10 @@
 #include "core/html/parser/HTMLToken.h"
 #include "platform/text/SegmentedString.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/PtrUtil.h"
 #include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncoding.h"
+#include <memory>
 
 namespace blink {
 
@@ -39,7 +41,7 @@ class HTMLTokenizer;
 class HTMLMetaCharsetParser {
     WTF_MAKE_NONCOPYABLE(HTMLMetaCharsetParser); USING_FAST_MALLOC(HTMLMetaCharsetParser);
 public:
-    static PassOwnPtr<HTMLMetaCharsetParser> create() { return adoptPtr(new HTMLMetaCharsetParser()); }
+    static std::unique_ptr<HTMLMetaCharsetParser> create() { return wrapUnique(new HTMLMetaCharsetParser()); }
 
     ~HTMLMetaCharsetParser();
 
@@ -53,8 +55,8 @@ private:
 
     bool processMeta();
 
-    OwnPtr<HTMLTokenizer> m_tokenizer;
-    OwnPtr<TextCodec> m_assumedCodec;
+    std::unique_ptr<HTMLTokenizer> m_tokenizer;
+    std::unique_ptr<TextCodec> m_assumedCodec;
     SegmentedString m_input;
     HTMLToken m_token;
     bool m_inHeadSection;