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

ui/gl/gl_image_memory.h

Index: ui/gl/gl_image_memory.h
diff --git a/ui/gl/gl_image_memory.h b/ui/gl/gl_image_memory.h
index a50a38064b1574ad55f571bb76581e9922d9399f..022782268184ce69b5e3818d85c29cbbe115493f 100644
--- a/ui/gl/gl_image_memory.h
+++ b/ui/gl/gl_image_memory.h
@@ -7,11 +7,8 @@
 
 #include "ui/gl/gl_image.h"
 
-#if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
-    defined(USE_OZONE)
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
-#endif
 
 #include "base/numerics/safe_math.h"
 #include "ui/gfx/gpu_memory_buffer.h"
@@ -58,11 +55,8 @@ class GL_EXPORT GLImageMemory : public GLImage {
   bool in_use_;
   unsigned target_;
   bool need_do_bind_tex_image_;
-#if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
-    defined(USE_OZONE)
   unsigned egl_texture_id_;
   EGLImageKHR egl_image_;
-#endif
 
   DISALLOW_COPY_AND_ASSIGN(GLImageMemory);
 };