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

chrome/browser/extensions/webstore_data_fetcher.cc

Index: chrome/browser/extensions/webstore_data_fetcher.cc
diff --git a/chrome/browser/extensions/webstore_data_fetcher.cc b/chrome/browser/extensions/webstore_data_fetcher.cc
index 1ade331a9426cc04acce4e7dee97fa1741509142..1586b927385b471f3a6ae9387d1c71ebe2115ace 100644
--- a/chrome/browser/extensions/webstore_data_fetcher.cc
+++ b/chrome/browser/extensions/webstore_data_fetcher.cc
@@ -55,14 +55,15 @@ void WebstoreDataFetcher::Start() {
 }
 
 void WebstoreDataFetcher::OnJsonParseSuccess(
-    scoped_ptr<base::Value> parsed_json) {
+    std::unique_ptr<base::Value> parsed_json) {
   if (!parsed_json->IsType(base::Value::TYPE_DICTIONARY)) {
     OnJsonParseFailure(kInvalidWebstoreResponseError);
     return;
   }
 
-  delegate_->OnWebstoreResponseParseSuccess(scoped_ptr<base::DictionaryValue>(
-      static_cast<base::DictionaryValue*>(parsed_json.release())));
+  delegate_->OnWebstoreResponseParseSuccess(
+      std::unique_ptr<base::DictionaryValue>(
+          static_cast<base::DictionaryValue*>(parsed_json.release())));
 }
 
 void WebstoreDataFetcher::OnJsonParseFailure(
@@ -73,7 +74,8 @@ void WebstoreDataFetcher::OnJsonParseFailure(
 void WebstoreDataFetcher::OnURLFetchComplete(const net::URLFetcher* source) {
   CHECK_EQ(webstore_data_url_fetcher_.get(), source);
 
-  scoped_ptr<net::URLFetcher> fetcher(std::move(webstore_data_url_fetcher_));
+  std::unique_ptr<net::URLFetcher> fetcher(
+      std::move(webstore_data_url_fetcher_));
 
   if (!fetcher->GetStatus().is_success() ||
       fetcher->GetResponseCode() != 200) {