Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.h
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.h b/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.h
index 1aca1d25e9040a874b0f2f68161451fe44f6acc0..907a57fda66ecd4969a9a6eb70ca95e0fad5cc2d 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.h
+++ b/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.h
@@ -32,6 +32,7 @@
 #include "core/html/parser/HTMLSourceTracker.h"
 #include "core/html/parser/HTMLTokenizer.h"
 #include "core/html/parser/XSSAuditor.h"
+#include <memory>
 
 namespace blink {
 
@@ -59,7 +60,7 @@ private:
     HTMLInputStream m_input;
     HTMLToken m_token;
     HTMLSourceTracker m_sourceTracker;
-    OwnPtr<HTMLTokenizer> m_tokenizer;
+    std::unique_ptr<HTMLTokenizer> m_tokenizer;
     XSSAuditor m_xssAuditor;
 };