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

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

Index: chrome/browser/extensions/api/braille_display_private/braille_display_private_apitest.cc
diff --git a/chrome/browser/extensions/api/braille_display_private/braille_display_private_apitest.cc b/chrome/browser/extensions/api/braille_display_private/braille_display_private_apitest.cc
index 9aad594c2409bb7743a0ccccc78a6ce07d7d8b48..c69dc92cc276e77ae58d41383076e48ec369bfd4 100644
--- a/chrome/browser/extensions/api/braille_display_private/braille_display_private_apitest.cc
+++ b/chrome/browser/extensions/api/braille_display_private/braille_display_private_apitest.cc
@@ -169,8 +169,8 @@ class BrailleDisplayPrivateApiTest : public ExtensionApiTest {
   }
 
  private:
-  scoped_ptr<BrlapiConnection> CreateBrlapiConnection() {
-    return scoped_ptr<BrlapiConnection>(
+  std::unique_ptr<BrlapiConnection> CreateBrlapiConnection() {
+    return std::unique_ptr<BrlapiConnection>(
         new MockBrlapiConnection(&connection_data_));
   }
 
@@ -277,7 +277,9 @@ class BrailleDisplayPrivateAPIUserTest : public BrailleDisplayPrivateApiTest {
 
     int GetEventCount() { return event_count_; }
 
-    void BroadcastEvent(scoped_ptr<Event> event) override { ++event_count_; }
+    void BroadcastEvent(std::unique_ptr<Event> event) override {
+      ++event_count_;
+    }
     bool HasListener() override { return true; }
 
    private:
@@ -287,7 +289,7 @@ class BrailleDisplayPrivateAPIUserTest : public BrailleDisplayPrivateApiTest {
   MockEventDelegate* SetMockEventDelegate(BrailleDisplayPrivateAPI* api) {
     MockEventDelegate* delegate = new MockEventDelegate();
     api->SetEventDelegateForTest(
-        scoped_ptr<BrailleDisplayPrivateAPI::EventDelegate>(delegate));
+        std::unique_ptr<BrailleDisplayPrivateAPI::EventDelegate>(delegate));
     return delegate;
   }
 
@@ -326,7 +328,7 @@ class BrailleDisplayPrivateAPIUserTest : public BrailleDisplayPrivateApiTest {
 #endif
 IN_PROC_BROWSER_TEST_F(BrailleDisplayPrivateAPIUserTest,
                        MAYBE_KeyEventOnLockScreen) {
-  scoped_ptr<ScreenLockerTester> tester(ScreenLocker::GetTester());
+  std::unique_ptr<ScreenLockerTester> tester(ScreenLocker::GetTester());
   // Log in.
   user_manager::UserManager::Get()->UserLoggedIn(
       AccountId::FromUserEmail(kTestUserName), kTestUserName, true);