Convert Pass()→std::move() in //chrome

chrome/test/chromedriver/chrome/log.cc

Index: chrome/test/chromedriver/chrome/log.cc
diff --git a/chrome/test/chromedriver/chrome/log.cc b/chrome/test/chromedriver/chrome/log.cc
index a14e8fc385f0099ccd9c2b7926304559efb24839..c564acbbfa698b7d79e3d53ee7aefd342de1fe5b 100644
--- a/chrome/test/chromedriver/chrome/log.cc
+++ b/chrome/test/chromedriver/chrome/log.cc
@@ -5,6 +5,7 @@
 #include "chrome/test/chromedriver/chrome/log.h"
 
 #include <stddef.h>
+#include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ -52,7 +53,7 @@ scoped_ptr<base::Value> SmartDeepCopy(const base::Value* value) {
       dict_copy->SetWithoutPathExpansion(it.key(),
                                          SmartDeepCopy(child).release());
     }
-    return dict_copy.Pass();
+    return std::move(dict_copy);
   } else if (value->GetAsList(&list)) {
     scoped_ptr<base::ListValue> list_copy(new base::ListValue());
     for (size_t i = 0; i < list->GetSize(); ++i) {
@@ -65,7 +66,7 @@ scoped_ptr<base::Value> SmartDeepCopy(const base::Value* value) {
       }
       list_copy->Append(SmartDeepCopy(child).release());
     }
-    return list_copy.Pass();
+    return std::move(list_copy);
   } else if (value->GetAsString(&data)) {
     TruncateString(&data);
     return scoped_ptr<base::Value>(new base::StringValue(data));