Convert //ppapi to use std::unique_ptr

ppapi/thunk/ppb_flash_clipboard_thunk.cc

Index: ppapi/thunk/ppb_flash_clipboard_thunk.cc
diff --git a/ppapi/thunk/ppb_flash_clipboard_thunk.cc b/ppapi/thunk/ppb_flash_clipboard_thunk.cc
index 8c925e77e6e797d6805322dc5459e0fbe6d0927d..240550a0bd1bdb0746a3070aa16306ca9795aa6f 100644
--- a/ppapi/thunk/ppb_flash_clipboard_thunk.cc
+++ b/ppapi/thunk/ppb_flash_clipboard_thunk.cc
@@ -4,7 +4,8 @@
 
 #include <stdint.h>
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash_clipboard.h"
 #include "ppapi/thunk/enter.h"
@@ -72,7 +73,7 @@ int32_t WriteData_4_0(PP_Instance instance,
                       uint32_t data_item_count,
                       const PP_Flash_Clipboard_Format formats[],
                       const PP_Var data_items[]) {
-  scoped_ptr<uint32_t[]> new_formats(new uint32_t[data_item_count]);
+  std::unique_ptr<uint32_t[]> new_formats(new uint32_t[data_item_count]);
   for (uint32_t i = 0; i < data_item_count; ++i)
     new_formats[i] = static_cast<uint32_t>(formats[i]);
   return WriteData(instance, clipboard_type, data_item_count,