Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/shell/browser/shell_device_client.h

Index: extensions/shell/browser/shell_device_client.h
diff --git a/extensions/shell/browser/shell_device_client.h b/extensions/shell/browser/shell_device_client.h
index 2a5e717c95a98093319ac161a04e17f8987c741a..7da2dbae72857da37a06d0afed0dd0a0905d70d8 100644
--- a/extensions/shell/browser/shell_device_client.h
+++ b/extensions/shell/browser/shell_device_client.h
@@ -5,11 +5,11 @@
 #ifndef EXTENSIONS_SHELL_BROWSER_SHELL_DEVICE_CLIENT_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_DEVICE_CLIENT_H_
 
-#include "device/core/device_client.h"
+#include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "device/core/device_client.h"
 
 namespace extensions {
 
@@ -25,8 +25,8 @@ class ShellDeviceClient : device::DeviceClient {
   device::HidService* GetHidService() override;
 
  private:
-  scoped_ptr<device::HidService> hid_service_;
-  scoped_ptr<device::UsbService> usb_service_;
+  std::unique_ptr<device::HidService> hid_service_;
+  std::unique_ptr<device::UsbService> usb_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDeviceClient);
 };