Move ENABLE_HIDPI to new build flags system

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 14 matching lines @@
 #include "base/synchronization/lock.h"
 #include "build/build_config.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/resource/data_pack.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/base/ui_base_switches.h"
+#include "ui/base/ui_features.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_source.h"
 #include "ui/gfx/screen.h"
 #include "ui/strings/grit/app_locale_settings.h"
 
 #if defined(OS_ANDROID)
@@ skipping 585 matching lines @@
     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)
   // TODO(oshima): Include 200P only if the device support 200P
   supported_scale_factors.push_back(SCALE_FACTOR_200P);
-#elif defined(OS_LINUX) && defined(ENABLE_HIDPI)
+#elif defined(OS_LINUX) && BUILDFLAG(ENABLE_HIDPI)
   supported_scale_factors.push_back(SCALE_FACTOR_200P);
 #elif defined(OS_WIN)
   bool default_to_100P = true;
   // On Windows if the dpi scale is greater than 1.25 on high dpi machines
   // downscaling from 200 percent looks better than scaling up from 100
   // percent.
   if (gfx::GetDPIScale() > 1.25) {
     supported_scale_factors.push_back(SCALE_FACTOR_200P);
     default_to_100P = false;
   }
@@ skipping 222 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