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

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/braille_display_private/braille_controller_brlapi.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <algorithm>
 #include <cerrno>
@@ skipping 64 matching lines @@
     "libbrlapi.so.0.5",
     "libbrlapi.so.0.6"
   };
   for (size_t i = 0; i < arraysize(kSupportedVersions); ++i) {
     if (libbrlapi_loader_.Load(kSupportedVersions[i]))
       return;
   }
   LOG(WARNING) << "Couldn't load libbrlapi: " << strerror(errno);
 }
 
-scoped_ptr<DisplayState> BrailleControllerImpl::GetDisplayState() {
+std::unique_ptr<DisplayState> BrailleControllerImpl::GetDisplayState() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   StartConnecting();
-  scoped_ptr<DisplayState> display_state(new DisplayState);
+  std::unique_ptr<DisplayState> display_state(new DisplayState);
   if (connection_.get() && connection_->Connected()) {
     size_t size;
     if (!connection_->GetDisplaySize(&size)) {
       Disconnect();
     } else if (size > 0) {  // size == 0 means no display present.
       display_state->available = true;
       display_state->text_cell_count.reset(new int(size));
     }
   }
   return display_state;
@@ skipping 155 matching lines @@
                                      &BrailleControllerImpl::TryToConnect,
                                      base::Unretained(this)),
                                  delay);
 }
 
 void BrailleControllerImpl::Disconnect() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!connection_ || !connection_->Connected())
     return;
   connection_->Disconnect();
-  DispatchOnDisplayStateChanged(scoped_ptr<DisplayState>(new DisplayState()));
+  DispatchOnDisplayStateChanged(
+      std::unique_ptr<DisplayState>(new DisplayState()));
 }
 
-scoped_ptr<BrlapiConnection> BrailleControllerImpl::CreateBrlapiConnection() {
+std::unique_ptr<BrlapiConnection>
+BrailleControllerImpl::CreateBrlapiConnection() {
   DCHECK(libbrlapi_loader_.loaded());
   return BrlapiConnection::Create(&libbrlapi_loader_);
 }
 
 void BrailleControllerImpl::DispatchKeys() {
   DCHECK(connection_.get());
   brlapi_keyCode_t code;
   while (true) {
     int result = connection_->ReadKey(&code);
     if (result < 0) {  // Error.
       brlapi_error_t* err = connection_->BrlapiError();
       if (err->brlerrno == BRLAPI_ERROR_LIBCERR && err->libcerrno == EINTR)
         continue;
       // Disconnect on other errors.
       VLOG(1) << "BrlAPI error: " << connection_->BrlapiStrError();
       Disconnect();
       return;
     } else if (result == 0) {  // No more data.
       return;
     }
-    scoped_ptr<KeyEvent> event = BrlapiKeyCodeToEvent(code);
+    std::unique_ptr<KeyEvent> event = BrlapiKeyCodeToEvent(code);
     if (event)
       DispatchKeyEvent(std::move(event));
   }
 }
 
-void BrailleControllerImpl::DispatchKeyEvent(scoped_ptr<KeyEvent> event) {
+void BrailleControllerImpl::DispatchKeyEvent(std::unique_ptr<KeyEvent> event) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             base::Bind(
                                 &BrailleControllerImpl::DispatchKeyEvent,
                                 base::Unretained(this),
                                 base::Passed(&event)));
     return;
   }
   VLOG(1) << "Dispatching key event: " << *event->ToValue();
   FOR_EACH_OBSERVER(BrailleObserver, observers_, OnBrailleKeyEvent(*event));
 }
 
 void BrailleControllerImpl::DispatchOnDisplayStateChanged(
-    scoped_ptr<DisplayState> new_state) {
+    std::unique_ptr<DisplayState> new_state) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     if (!BrowserThread::PostTask(
             BrowserThread::UI, FROM_HERE,
             base::Bind(&BrailleControllerImpl::DispatchOnDisplayStateChanged,
                        base::Unretained(this),
                        base::Passed(&new_state)))) {
       NOTREACHED();
     }
     return;
   }
   FOR_EACH_OBSERVER(BrailleObserver, observers_,
                     OnBrailleDisplayStateChanged(*new_state));
 }
 
 }  // namespace braille_display_private
 }  // namespace api
 }  // namespace extensions