Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

third_party/WebKit/public/platform/WebScheduler.h

 // 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.
 
 #ifndef WebScheduler_h
 #define WebScheduler_h
 
 #include "WebCommon.h"
-#include "public/platform/WebPassOwnPtr.h"
 #include "public/platform/WebTaskRunner.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebViewScheduler.h"
 
+#include <memory>
+
 namespace blink {
 
 class WebTraceLocation;
 class WebView;
 
 // This class is used to submit tasks and pass other information from Blink to
 // the platform's scheduler.
 class BLINK_PLATFORM_EXPORT WebScheduler {
 public:
     virtual ~WebScheduler() { }
@@ skipping 37 matching lines @@
     virtual void postIdleTaskAfterWakeup(const WebTraceLocation&, WebThread::IdleTask*) = 0;
 
     // Returns a WebTaskRunner for loading tasks. Can be called from any thread.
     virtual WebTaskRunner* loadingTaskRunner() = 0;
 
     // Returns a WebTaskRunner for timer tasks. Can be called from any thread.
     virtual WebTaskRunner* timerTaskRunner() = 0;
 
     // Creates a new WebViewScheduler for a given WebView. Must be called from
     // the associated WebThread.
-    virtual WebPassOwnPtr<WebViewScheduler> createWebViewScheduler(blink::WebView*) = 0;
+    virtual std::unique_ptr<WebViewScheduler> createWebViewScheduler(blink::WebView*) = 0;
 
     // Suspends the timer queue and increments the timer queue suspension count.
     // May only be called from the main thread.
     virtual void suspendTimerQueue() = 0;
 
     // Decrements the timer queue suspension count and re-enables the timer queue
     // if the suspension count is zero and the current scheduler policy allows it.
     virtual void resumeTimerQueue() = 0;
 
     // Tells the scheduler that a navigation task is pending.
@@ skipping 12 matching lines @@
 
     void postIdleTask(const WebTraceLocation&, PassOwnPtr<IdleTask>);
     void postNonNestableIdleTask(const WebTraceLocation&, PassOwnPtr<IdleTask>);
     void postIdleTaskAfterWakeup(const WebTraceLocation&, PassOwnPtr<IdleTask>);
 #endif
 };
 
 } // namespace blink
 
 #endif // WebScheduler_h