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

chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc

Index: chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc
diff --git a/chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc b/chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc
index 74a0164cfd7ae66f1ad03fab951751d405079db6..ad56f81e9e7017f24e931797c5447a8044671eb8 100644
--- a/chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc
+++ b/chrome/browser/extensions/api/braille_display_private/braille_display_private_api.cc
@@ -33,7 +33,7 @@ class BrailleDisplayPrivateAPI::DefaultEventDelegate
   DefaultEventDelegate(EventRouter::Observer* observer, Profile* profile);
   ~DefaultEventDelegate() override;
 
-  void BroadcastEvent(scoped_ptr<Event> event) override;
+  void BroadcastEvent(std::unique_ptr<Event> event) override;
   bool HasListener() override;
 
  private:
@@ -65,7 +65,7 @@ BrailleDisplayPrivateAPI::GetFactoryInstance() {
 
 void BrailleDisplayPrivateAPI::OnBrailleDisplayStateChanged(
     const DisplayState& display_state) {
-  scoped_ptr<Event> event(
+  std::unique_ptr<Event> event(
       new Event(events::BRAILLE_DISPLAY_PRIVATE_ON_DISPLAY_STATE_CHANGED,
                 OnDisplayStateChanged::kEventName,
                 OnDisplayStateChanged::Create(display_state)));
@@ -76,7 +76,7 @@ void BrailleDisplayPrivateAPI::OnBrailleKeyEvent(const KeyEvent& key_event) {
   // Key events only go to extensions of the active profile.
   if (!IsProfileActive())
     return;
-  scoped_ptr<Event> event(
+  std::unique_ptr<Event> event(
       new Event(events::BRAILLE_DISPLAY_PRIVATE_ON_KEY_EVENT,
                 OnKeyEvent::kEventName, OnKeyEvent::Create(key_event)));
   event_delegate_->BroadcastEvent(std::move(event));
@@ -102,7 +102,7 @@ bool BrailleDisplayPrivateAPI::IsProfileActive() {
 }
 
 void BrailleDisplayPrivateAPI::SetEventDelegateForTest(
-    scoped_ptr<EventDelegate> delegate) {
+    std::unique_ptr<EventDelegate> delegate) {
   event_delegate_ = std::move(delegate);
 }
 
@@ -135,7 +135,7 @@ BrailleDisplayPrivateAPI::DefaultEventDelegate::~DefaultEventDelegate() {
 }
 
 void BrailleDisplayPrivateAPI::DefaultEventDelegate::BroadcastEvent(
-    scoped_ptr<Event> event) {
+    std::unique_ptr<Event> event) {
   EventRouter::Get(profile_)->BroadcastEvent(std::move(event));
 }