Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/extensions/activity_log/activity_log.cc

Index: chrome/browser/extensions/activity_log/activity_log.cc
diff --git a/chrome/browser/extensions/activity_log/activity_log.cc b/chrome/browser/extensions/activity_log/activity_log.cc
index cd6120429e48668e00b1bc0aab9362333725d0c4..8f2e00df3d3ba2e2c14571ace61ef44b7fa977e8 100644
--- a/chrome/browser/extensions/activity_log/activity_log.cc
+++ b/chrome/browser/extensions/activity_log/activity_log.cc
@@ -14,10 +14,12 @@
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
+#include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
@@ -277,8 +279,8 @@ void ExtractUrls(scoped_refptr<Action> action, Profile* profile) {
       std::string url_string;
       if (action->args()->GetString(url_index, &url_string) &&
           ResolveUrl(action->page_url(), url_string, &arg_url)) {
-        action->mutable_args()->Set(url_index,
-                                    new base::Value(kArgUrlPlaceholder));
+        action->mutable_args()->Set(
+            url_index, base::MakeUnique<base::Value>(kArgUrlPlaceholder));
       }
       break;
     }
@@ -309,8 +311,8 @@ void ExtractUrls(scoped_refptr<Action> action, Profile* profile) {
         // Single tab ID to translate.
         GetUrlForTabId(tab_id, profile, &arg_url, &arg_incognito);
         if (arg_url.is_valid()) {
-          action->mutable_args()->Set(url_index,
-                                      new base::Value(kArgUrlPlaceholder));
+          action->mutable_args()->Set(
+              url_index, base::MakeUnique<base::Value>(kArgUrlPlaceholder));
         }
       } else if (action->mutable_args()->GetList(url_index, &tab_list)) {
         // A list of possible IDs to translate.  Work through in reverse order
@@ -320,12 +322,13 @@ void ExtractUrls(scoped_refptr<Action> action, Profile* profile) {
           if (tab_list->GetInteger(i, &tab_id) &&
               GetUrlForTabId(tab_id, profile, &arg_url, &arg_incognito)) {
             if (!arg_incognito)
-              tab_list->Set(i, new base::Value(arg_url.spec()));
+              tab_list->Set(i, base::MakeUnique<base::Value>(arg_url.spec()));
             extracted_index = i;
           }
         }
         if (extracted_index >= 0) {
-          tab_list->Set(extracted_index, new base::Value(kArgUrlPlaceholder));
+          tab_list->Set(extracted_index,
+                        base::MakeUnique<base::Value>(kArgUrlPlaceholder));
         }
       }
       break;