Use OnceCallback on Mojo interfaces in //device/screen_orientation

content/browser/screen_orientation/screen_orientation_provider.cc

 // Copyright 2014 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 "content/browser/screen_orientation/screen_orientation_provider.h"
 
+#include <utility>
+
 #include "base/callback_helpers.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/screen_orientation_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebLockOrientationError.h"
 
 namespace content {
 
 using device::mojom::ScreenOrientationLockResult;
 
 ScreenOrientationDelegate* ScreenOrientationProvider::delegate_ = nullptr;
 
 ScreenOrientationProvider::ScreenOrientationProvider(WebContents* web_contents)
     : WebContentsObserver(web_contents),
       lock_applied_(false),
       bindings_(web_contents, this) {}
 
 ScreenOrientationProvider::~ScreenOrientationProvider() = default;
 
 void ScreenOrientationProvider::LockOrientation(
     blink::WebScreenOrientationLockType orientation,
-    const LockOrientationCallback& callback) {
+    LockOrientationCallback callback) {
   // Cancel any pending lock request.
   NotifyLockResult(ScreenOrientationLockResult::
                        SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED);
   // Record new pending lock request.
-  pending_callback_ = callback;
+  pending_callback_ = std::move(callback);
 
   if (!delegate_ || !delegate_->ScreenOrientationProviderSupported()) {
     NotifyLockResult(ScreenOrientationLockResult::
                          SCREEN_ORIENTATION_LOCK_RESULT_ERROR_NOT_AVAILABLE);
     return;
   }
 
   if (delegate_->FullScreenRequired(web_contents())) {
     RenderViewHostImpl* rvhi =
         static_cast<RenderViewHostImpl*>(web_contents()->GetRenderViewHost());
@@ skipping 167 matching lines @@
     case blink::kWebScreenOrientationLockDefault:
       NOTREACHED();
       return false;
   }
 
   NOTREACHED();
   return false;
 }
 
 }  // namespace content