linux_aura: Keep GTK state from leaking between profiles.

ui/views/linux_ui/linux_ui.h

 // Copyright 2013 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.
 
 #ifndef UI_VIEWS_LINUX_UI_LINUX_UI_H_
 #define UI_VIEWS_LINUX_UI_LINUX_UI_H_
 
 #include <string>
 
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 59 matching lines @@
   virtual SkColor GetActiveSelectionBgColor() const = 0;
   virtual SkColor GetActiveSelectionFgColor() const = 0;
   virtual SkColor GetInactiveSelectionBgColor() const = 0;
   virtual SkColor GetInactiveSelectionFgColor() const = 0;
   virtual double GetCursorBlinkInterval() const = 0;
 
   // Returns a NativeTheme that will provide system colors and draw system
   // style widgets.
   virtual ui::NativeTheme* GetNativeTheme() const = 0;
 
-  virtual void SetUseSystemTheme(bool use_system_theme) = 0;
-  virtual bool GetUseSystemTheme() const = 0;
-
   // Returns whether we should be using the native theme provided by this
   // object by default.
   virtual bool GetDefaultUsesSystemTheme() const = 0;
 
   // Sets visual properties in the desktop environment related to download
   // progress, if available.
   virtual void SetDownloadCount(int count) const = 0;
   virtual void SetProgressFraction(float percentage) const = 0;
 
   // Checks for platform support for status icons.
@@ skipping 31 matching lines @@
   // Notifies the window manager that start up has completed.
   // Normally Chromium opens a new window on startup and GTK does this
   // automatically. In case Chromium does not open a new window on startup,
   // e.g. an existing browser window already exists, this should be called.
   virtual void NotifyWindowManagerStartupComplete() = 0;
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_LINUX_UI_LINUX_UI_H_