Reland Linux Window Control Alignment

ui/views/window/window_button_order_provider.cc

Index: ui/views/window/window_button_order_provider.cc
diff --git a/ui/views/window/window_button_order_provider.cc b/ui/views/window/window_button_order_provider.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b1ac70e4727fccaed2eb1d47102cb6d43e9100bc
--- /dev/null
+++ b/ui/views/window/window_button_order_provider.cc
@@ -0,0 +1,41 @@
+// Copyright 2014 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/views/window/window_button_order_provider.h"
+
+namespace views {
+
+// static
+WindowButtonOrderProvider* WindowButtonOrderProvider::instance_ = NULL;
+
+///////////////////////////////////////////////////////////////////////////////
+// WindowButtonOrderProvider, public:
+
+// static
+WindowButtonOrderProvider* WindowButtonOrderProvider::GetInstance() {
+  if (!instance_)
+    instance_ = new WindowButtonOrderProvider;
+  return instance_;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// WindowButtonOrderProvider, protected:
+
+WindowButtonOrderProvider::WindowButtonOrderProvider() {
+  trailing_buttons_.push_back(views::FRAME_BUTTON_MINIMIZE);
+  trailing_buttons_.push_back(views::FRAME_BUTTON_MAXIMIZE);
+  trailing_buttons_.push_back(views::FRAME_BUTTON_CLOSE);
+}
+
+WindowButtonOrderProvider::~WindowButtonOrderProvider() {
+}
+
+void WindowButtonOrderProvider::SetWindowButtonOrder(
+    const std::vector<views::FrameButton>& leading_buttons,
+    const std::vector<views::FrameButton>& trailing_buttons) {
+  leading_buttons_ = leading_buttons;
+  trailing_buttons_ = trailing_buttons;
+}
+
+}  // namespace views