Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/pdf/pdf_unsupported_feature.cc

Index: chrome/browser/ui/pdf/pdf_unsupported_feature.cc
diff --git a/chrome/browser/ui/pdf/pdf_unsupported_feature.cc b/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
index 092b7a8dc3eaa5eff71c30539a423e6d6d066e8b..9a317a3377bfa18a4fe5677981191898a2609a08 100644
--- a/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
+++ b/chrome/browser/ui/pdf/pdf_unsupported_feature.cc
@@ -4,11 +4,12 @@
 
 #include "chrome/browser/ui/pdf/pdf_unsupported_feature.h"
 
+#include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
@@ -146,7 +147,7 @@ void OpenUsingReader(WebContents* web_contents,
   pdf::PDFWebContentsHelper* pdf_tab_helper =
       pdf::PDFWebContentsHelper::FromWebContents(web_contents);
   if (client)
-    pdf_tab_helper->ShowOpenInReaderPrompt(make_scoped_ptr(client));
+    pdf_tab_helper->ShowOpenInReaderPrompt(base::WrapUnique(client));
 }
 
 // An interstitial to be used when the user chooses to open a PDF using Adobe
@@ -325,7 +326,7 @@ void MaybeShowOpenPDFInReaderPrompt(WebContents* web_contents,
   if (!reader_info.is_installed || !reader_info.is_enabled)
     return;
 
-  scoped_ptr<pdf::OpenPDFInReaderPromptClient> prompt(
+  std::unique_ptr<pdf::OpenPDFInReaderPromptClient> prompt(
       new PDFUnsupportedFeaturePromptClient(web_contents, reader_info));
   pdf::PDFWebContentsHelper* pdf_tab_helper =
       pdf::PDFWebContentsHelper::FromWebContents(web_contents);