Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/media_galleries/media_galleries_test_util.cc

Index: chrome/browser/media_galleries/media_galleries_test_util.cc
diff --git a/chrome/browser/media_galleries/media_galleries_test_util.cc b/chrome/browser/media_galleries/media_galleries_test_util.cc
index 79ebcc618154e98c601198d6b74286db12d0941b..692a1230f38cc237a0610f18be6c1e6cf9f77691 100644
--- a/chrome/browser/media_galleries/media_galleries_test_util.cc
+++ b/chrome/browser/media_galleries/media_galleries_test_util.cc
@@ -39,22 +39,24 @@ scoped_refptr<extensions::Extension> AddMediaGalleriesApp(
     const std::string& name,
     const std::vector<std::string>& media_galleries_permissions,
     Profile* profile) {
-  scoped_ptr<DictionaryValue> manifest(new DictionaryValue);
+  scoped_ptr<base::DictionaryValue> manifest(new base::DictionaryValue);
   manifest->SetString(extensions::manifest_keys::kName, name);
   manifest->SetString(extensions::manifest_keys::kVersion, "0.1");
   manifest->SetInteger(extensions::manifest_keys::kManifestVersion, 2);
-  ListValue* background_script_list = new ListValue;
-  background_script_list->Append(Value::CreateStringValue("background.js"));
+  base::ListValue* background_script_list = new base::ListValue;
+  background_script_list->Append(
+      base::Value::CreateStringValue("background.js"));
   manifest->Set(extensions::manifest_keys::kPlatformAppBackgroundScripts,
                 background_script_list);
 
-  ListValue* permission_detail_list = new ListValue;
+  base::ListValue* permission_detail_list = new base::ListValue;
   for (size_t i = 0; i < media_galleries_permissions.size(); i++)
     permission_detail_list->Append(
-        Value::CreateStringValue(media_galleries_permissions[i]));
-  DictionaryValue* media_galleries_permission = new DictionaryValue();
+        base::Value::CreateStringValue(media_galleries_permissions[i]));
+  base::DictionaryValue* media_galleries_permission =
+      new base::DictionaryValue();
   media_galleries_permission->Set("mediaGalleries", permission_detail_list);
-  ListValue* permission_list = new ListValue;
+  base::ListValue* permission_list = new base::ListValue;
   permission_list->Append(media_galleries_permission);
   manifest->Set(extensions::manifest_keys::kPermissions, permission_list);