Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/page_load_metrics/renderer/page_timing_metrics_sender.h

Index: components/page_load_metrics/renderer/page_timing_metrics_sender.h
diff --git a/components/page_load_metrics/renderer/page_timing_metrics_sender.h b/components/page_load_metrics/renderer/page_timing_metrics_sender.h
index d5ef91faa28fdbe14adf14ab02e29718a1206c0b..37d16fbc9881984f97f19c0e1b602aa415e48fa3 100644
--- a/components/page_load_metrics/renderer/page_timing_metrics_sender.h
+++ b/components/page_load_metrics/renderer/page_timing_metrics_sender.h
@@ -5,8 +5,9 @@
 #ifndef COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_TIMING_METRICS_SENDER_H_
 #define COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_TIMING_METRICS_SENDER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/page_load_metrics/common/page_load_timing.h"
 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h"
 
@@ -27,7 +28,7 @@ class PageTimingMetricsSender {
  public:
   PageTimingMetricsSender(IPC::Sender* ipc_sender,
                           int routing_id,
-                          scoped_ptr<base::Timer> timer);
+                          std::unique_ptr<base::Timer> timer);
   ~PageTimingMetricsSender();
 
   void DidObserveLoadingBehavior(blink::WebLoadingBehaviorFlag behavior);
@@ -42,7 +43,7 @@ class PageTimingMetricsSender {
 
   IPC::Sender* const ipc_sender_;
   const int routing_id_;
-  scoped_ptr<base::Timer> timer_;
+  std::unique_ptr<base::Timer> timer_;
   PageLoadTiming last_timing_;
 
   // The the sender keep track of metadata as it comes in, because the sender is