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

chrome/browser/extensions/api/image_writer_private/operation_manager.cc

Index: chrome/browser/extensions/api/image_writer_private/operation_manager.cc
diff --git a/chrome/browser/extensions/api/image_writer_private/operation_manager.cc b/chrome/browser/extensions/api/image_writer_private/operation_manager.cc
index 30a31a811354d56733737cb45d95cd53a20cdcb8..a62d5004e7c59527fef580793a3625b3dd16d50e 100644
--- a/chrome/browser/extensions/api/image_writer_private/operation_manager.cc
+++ b/chrome/browser/extensions/api/image_writer_private/operation_manager.cc
@@ -162,9 +162,9 @@ void OperationManager::OnProgress(const ExtensionId& extension_id,
   info.stage = stage;
   info.percent_complete = progress;
 
-  scoped_ptr<base::ListValue> args(
+  std::unique_ptr<base::ListValue> args(
       image_writer_api::OnWriteProgress::Create(info));
-  scoped_ptr<Event> event(new Event(
+  std::unique_ptr<Event> event(new Event(
       events::IMAGE_WRITER_PRIVATE_ON_WRITE_PROGRESS,
       image_writer_api::OnWriteProgress::kEventName, std::move(args)));
 
@@ -175,8 +175,9 @@ void OperationManager::OnProgress(const ExtensionId& extension_id,
 void OperationManager::OnComplete(const ExtensionId& extension_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  scoped_ptr<base::ListValue> args(image_writer_api::OnWriteComplete::Create());
-  scoped_ptr<Event> event(new Event(
+  std::unique_ptr<base::ListValue> args(
+      image_writer_api::OnWriteComplete::Create());
+  std::unique_ptr<Event> event(new Event(
       events::IMAGE_WRITER_PRIVATE_ON_WRITE_COMPLETE,
       image_writer_api::OnWriteComplete::kEventName, std::move(args)));
 
@@ -198,11 +199,11 @@ void OperationManager::OnError(const ExtensionId& extension_id,
   info.stage = stage;
   info.percent_complete = progress;
 
-  scoped_ptr<base::ListValue> args(
+  std::unique_ptr<base::ListValue> args(
       image_writer_api::OnWriteError::Create(info, error_message));
-  scoped_ptr<Event> event(new Event(events::IMAGE_WRITER_PRIVATE_ON_WRITE_ERROR,
-                                    image_writer_api::OnWriteError::kEventName,
-                                    std::move(args)));
+  std::unique_ptr<Event> event(
+      new Event(events::IMAGE_WRITER_PRIVATE_ON_WRITE_ERROR,
+                image_writer_api::OnWriteError::kEventName, std::move(args)));
 
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(extension_id, std::move(event));