[cros] disable GDrive option on certain file pickers

ui/base/dialogs/select_file_dialog.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/dialogs/select_file_dialog.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "build/build_config.h"
@@ skipping 13 matching lines @@
 
 namespace {
 
 // Optional dialog factory. Leaked.
 ui::SelectFileDialogFactory* dialog_factory_ = NULL;
 
 }  // namespace
 
 namespace ui {
 
-SelectFileDialog::FileTypeInfo::FileTypeInfo() : include_all_files(false) {}
+SelectFileDialog::FileTypeInfo::FileTypeInfo()
+    : include_all_files(false),
+      support_gdata(false) {}
 
 SelectFileDialog::FileTypeInfo::~FileTypeInfo() {}
 
 void SelectFileDialog::Listener::FileSelectedWithExtraInfo(
     const ui::SelectedFileInfo& file,
     int index,
     void* params) {
   // Most of the dialogs need actual local path, so default to it.
   FileSelected(file.local_path, index, params);
 }
@@ skipping 84 matching lines @@
 }
 
 SelectFileDialog::~SelectFileDialog() {}
 
 void SelectFileDialog::CancelFileSelection(void* params) {
   if (listener_)
     listener_->FileSelectionCanceled(params);
 }
 
 }  // namespace ui