FileBrowser: Hide DriveApps on Open-with menu when the selected file is not on drive.

chrome/browser/chromeos/extensions/file_browser_private_api.cc

Index: chrome/browser/chromeos/extensions/file_browser_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/file_browser_private_api.cc b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
index 48fa84f8663fc9fbf5d0a525d22c09a991c8d49b..ba10d2a5b3f8913403b9f570bc115b423ee2ef06 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.cc
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
@@ -344,6 +344,7 @@ void CreateDriveTasks(
     if (!best_icon.is_empty()) {
       task->SetString("iconUrl", best_icon.spec());
     }
+    task->SetBoolean("driveApp", true);
     result_list->Append(task);
   }
 }
@@ -700,6 +701,7 @@ bool GetFileTasksFileBrowserFunction::RunImpl() {
                                         ExtensionIconSet::MATCH_BIGGER,
                                         false, NULL);     // grayscale
     task->SetString("iconUrl", icon.spec());
+    task->SetBoolean("driveApp", false);
     result_list->Append(task);
   }