ozone: Support building without cairo

ui/gfx/native_widget_types.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_GFX_NATIVE_WIDGET_TYPES_H_
 #define UI_GFX_NATIVE_WIDGET_TYPES_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_ANDROID)
@@ skipping 153 matching lines @@
 #elif defined(OS_MACOSX)
 typedef NSFont* NativeFont;
 typedef NSTextField* NativeEditView;
 typedef CGContext* NativeDrawingContext;
 typedef void* NativeViewAccessible;
 #elif defined(TOOLKIT_GTK)
 typedef PangoFontDescription* NativeFont;
 typedef GtkWidget* NativeEditView;
 typedef cairo_t* NativeDrawingContext;
 typedef void* NativeViewAccessible;
-#elif defined(USE_AURA)
+#elif defined(USE_CAIRO)
 typedef PangoFontDescription* NativeFont;
 typedef void* NativeEditView;
 typedef cairo_t* NativeDrawingContext;
 typedef void* NativeViewAccessible;
-#elif defined(OS_ANDROID)
+#else
 typedef void* NativeFont;
 typedef void* NativeEditView;
 typedef void* NativeDrawingContext;
 typedef void* NativeViewAccessible;
 #endif
 
 // A constant value to indicate that gfx::NativeCursor refers to no cursor.
 #if defined(USE_AURA)
 const int kNullCursor = 0;
 #else
@@ skipping 130 matching lines @@
 #elif defined(USE_OZONE)
 typedef intptr_t AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #else
 #error unknown platform
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_WIDGET_TYPES_H_