Replace sets with vectors when storing file handlers.

chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc

Index: chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc b/chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc
index 2a22fb79a9c0178d4991b2f97d631811f85f90ff..56c0f8972dee78eb532619d3f533259e907c68ce 100644
--- a/chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.cc
@@ -1041,8 +1041,8 @@ bool GetFileTasksFileBrowserFunction::RunImpl() {
   // the extension tasks to the Drive task list. We know there aren't duplicates
   // because they're entirely different kinds of tasks, but there could be both
   // kinds of tasks for a file type (an image file, for instance).
-  std::set<const FileBrowserHandler*> common_tasks;
-  std::set<const FileBrowserHandler*> default_tasks;
+  file_handler_util::FileBrowserHandlerList common_tasks;
+  file_handler_util::FileBrowserHandlerList default_tasks;
   if (!file_handler_util::FindCommonTasks(profile_, file_urls, &common_tasks))
     return false;
   file_handler_util::FindDefaultTasks(profile_, file_paths,
@@ -1050,7 +1050,7 @@ bool GetFileTasksFileBrowserFunction::RunImpl() {
 
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
-  for (std::set<const FileBrowserHandler*>::const_iterator iter =
+  for (file_handler_util::FileBrowserHandlerList::const_iterator iter =
            common_tasks.begin();
        iter != common_tasks.end();
        ++iter) {
@@ -1074,7 +1074,8 @@ bool GetFileTasksFileBrowserFunction::RunImpl() {
 
     // Only set the default if there isn't already a default set.
     if (!default_already_set &&
-        default_tasks.find(*iter) != default_tasks.end()) {
+        std::find(default_tasks.begin(), default_tasks.end(), *iter) !=
+            default_tasks.end()) {
       task->SetBoolean("isDefault", true);
       default_already_set = true;
     } else {