Convert //chrome from scoped_ptr to std::unique_ptr

chrome/app/chrome_crash_reporter_client.h

Index: chrome/app/chrome_crash_reporter_client.h
diff --git a/chrome/app/chrome_crash_reporter_client.h b/chrome/app/chrome_crash_reporter_client.h
index 5cdeac26459ef2f223d713ae5e71c9303d6076a8..4d184861175fdbffa51c485f8cb410e2e64fb8aa 100644
--- a/chrome/app/chrome_crash_reporter_client.h
+++ b/chrome/app/chrome_crash_reporter_client.h
@@ -7,9 +7,10 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "components/crash/content/app/crash_reporter_client.h"
 
@@ -74,7 +75,8 @@ class ChromeCrashReporterClient : public crash_reporter::CrashReporterClient {
 
  private:
 #if defined(OS_WIN)
-  scoped_ptr<browser_watcher::CrashReportingMetrics> crash_reporting_metrics_;
+  std::unique_ptr<browser_watcher::CrashReportingMetrics>
+      crash_reporting_metrics_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeCrashReporterClient);