More removal of GTK code.

ui/gl/gl_surface_glx.h

 // 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.
 
 #ifndef UI_GL_GL_SURFACE_GLX_H_
 #define UI_GL_GL_SURFACE_GLX_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 58 matching lines @@
   NativeViewGLSurfaceGLX();
   virtual ~NativeViewGLSurfaceGLX();
 
  private:
   // The handle for the drawable to make current or swap.
   gfx::AcceleratedWidget GetDrawableHandle() const;
 
   // Window passed in at creation. Always valid.
   gfx::AcceleratedWidget parent_window_;
 
-#if defined(TOOLKIT_GTK)
-  // Some NVIDIA drivers don't allow deleting GLX windows separately from their
-  // parent X windows. Work around this by creating a child X window to the
-  // window passed in to the constructor, creating the GLX window against the
-  // child window, and then destroying the child window to destroy the GLX
-  // window.
-  // http://crbug.com/145600
-  void CreateChildWindow();
-  void DestroyChildWindow();
-
-  // Destroy the child window when both the front and back buffers are
-  // deallocated.
-  virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE;
-  virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE;
-  void AdjustBufferAllocation();
-
-  // Child window which is used with GLX, and is discarded when it is
-  // backgrounded.
-  gfx::AcceleratedWidget child_window_;
-
-  // Dummy 1x1 window which is supplied to glXMakeCurrent when making
-  // the context current while its output surface is destroyed.
-  gfx::AcceleratedWidget dummy_window_;
-
-  bool backbuffer_allocated_;
-  bool frontbuffer_allocated_;
-#endif
-
   void* config_;
   gfx::Size size_;
 
   scoped_ptr<VSyncProvider> vsync_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceGLX);
 };
 
 // A surface used to render to an offscreen pbuffer.
 class GL_EXPORT PbufferGLSurfaceGLX : public GLSurfaceGLX {
@@ skipping 16 matching lines @@
   gfx::Size size_;
   void* config_;
   XID pbuffer_;
 
   DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceGLX);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_GLX_H_