Remove windows/mac/ios specific code from //ui

ui/gl/gl_surface_egl.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_EGL_H_
 #define UI_GL_GL_SURFACE_EGL_H_
 
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/vsync_provider.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_surface.h"
 
 namespace gfx {
@@ skipping 19 matching lines @@
   // initialization guards.
   static const char* GetEGLExtensions();
   static bool HasEGLExtension(const char* name);
   static bool IsCreateContextRobustnessSupported();
   static bool IsEGLSurfacelessContextSupported();
 
  protected:
   ~GLSurfaceEGL() override;
 
  private:
-#if defined(OS_WIN)
-  friend struct DriverEGL;
-  static EGLDisplay GetPlatformDisplay(EGLNativeDisplayType native_display);
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL);
 };
 
 // Encapsulates an EGL surface bound to a view.
 class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
  public:
   explicit NativeViewGLSurfaceEGL(EGLNativeWindowType window);
 
   // Implement GLSurface.
   EGLConfig GetConfig() override;
@@ skipping 23 matching lines @@
  private:
   EGLSurface surface_;
   bool supports_post_sub_buffer_;
   EGLConfig config_;
   gfx::Size size_;
 
   scoped_ptr<VSyncProvider> vsync_provider_;
 
   int swap_interval_;
 
-#if defined(OS_WIN)
-  bool vsync_override_;
-
-  unsigned int swap_generation_;
-  static unsigned int current_swap_generation_;
-  static unsigned int swaps_this_generation_;
-  static unsigned int last_multiswap_generation_;
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceEGL);
 };
 
 // Encapsulates a pbuffer EGL surface.
 class GL_EXPORT PbufferGLSurfaceEGL : public GLSurfaceEGL {
  public:
   explicit PbufferGLSurfaceEGL(const gfx::Size& size);
 
   // Implement GLSurface.
   EGLConfig GetConfig() override;
@@ skipping 39 matching lines @@
   ~SurfacelessEGL() override;
 
  private:
   gfx::Size size_;
   DISALLOW_COPY_AND_ASSIGN(SurfacelessEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_EGL_H_