mac: Remove IsOSLion().

ui/base/resource/resource_bundle.cc

 // 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.
 
 #include "ui/base/resource/resource_bundle.h"
 
 #include <stdint.h>
 
 #include <limits>
 #include <utility>
@@ skipping 653 matching lines @@
   gfx::Display display = gfx::Screen::GetScreen()->GetPrimaryDisplay();
   if (display.device_scale_factor() > 2.0) {
     DCHECK_EQ(3.0, display.device_scale_factor());
     supported_scale_factors.push_back(SCALE_FACTOR_300P);
   } else if (display.device_scale_factor() > 1.0) {
     DCHECK_EQ(2.0, display.device_scale_factor());
     supported_scale_factors.push_back(SCALE_FACTOR_200P);
   } else {
     supported_scale_factors.push_back(SCALE_FACTOR_100P);
   }
-#elif defined(OS_MACOSX)
-  if (base::mac::IsOSLionOrLater())
-    supported_scale_factors.push_back(SCALE_FACTOR_200P);
-#elif defined(OS_CHROMEOS) || defined(OS_LINUX) || defined(OS_WIN)
+#elif defined(OS_MACOSX) || defined(OS_CHROMEOS) || defined(OS_LINUX) || \
+    defined(OS_WIN)
   supported_scale_factors.push_back(SCALE_FACTOR_200P);
 #endif
   ui::SetSupportedScaleFactors(supported_scale_factors);
 }
 
 void ResourceBundle::FreeImages() {
   images_.clear();
 }
 
 void ResourceBundle::LoadChromeResources() {
@@ skipping 183 matching lines @@
 // static
 bool ResourceBundle::DecodePNG(const unsigned char* buf,
                                size_t size,
                                SkBitmap* bitmap,
                                bool* fell_back_to_1x) {
   *fell_back_to_1x = PNGContainsFallbackMarker(buf, size);
   return gfx::PNGCodec::Decode(buf, size, bitmap);
 }
 
 }  // namespace ui