Refactor proxy models and toolbar.

Remove the ugly LARGE_ICON column hack from the table proxy and use a
list proxy. Move the toolbar into its own file.

Source/Core/DolphinQt2/ToolBar.h

@@ -0,0 +1,47 @@
+// Copyright 2015 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QAction>
+#include <QLineEdit>
+#include <QToolBar>
+
+class ToolBar final : public QToolBar
+{
+	Q_OBJECT
+
+public:
+	ToolBar(QWidget* parent = nullptr);
+
+public slots:
+	void EmulationStarted();
+	void EmulationPaused();
+	void EmulationStopped();
+
+signals:
+	void OpenPressed();
+	void PathsPressed();
+
+	void PlayPressed();
+	void PausePressed();
+	void StopPressed();
+	void FullScreenPressed();
+	void ScreenShotPressed();
+
+private:
+	void MakeActions();
+	void UpdateIcons();
+
+	QAction* m_open_action;
+	QAction* m_paths_action;
+	QAction* m_play_action;
+	QAction* m_pause_action;
+	QAction* m_stop_action;
+	QAction* m_fullscreen_action;
+	QAction* m_screenshot_action;
+	QAction* m_config_action;
+	QAction* m_graphics_action;
+	QAction* m_controllers_action;
+};