Expose a low-end device mode override flags for non-android OSs as well

base/android/sys_utils_android.cc

Index: base/android/sys_utils_android.cc
diff --git a/base/android/sys_utils_android.cc b/base/android/sys_utils_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cd9c6b27b2c75ae67481d50d1b1ee95d83eadf70
--- /dev/null
+++ b/base/android/sys_utils_android.cc
@@ -0,0 +1,33 @@
+// Copyright 2013 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 "base/android/sys_utils_android.h"
+
+#include "base/android/build_info.h"
+#include "base/sys_info.h"
+#include "jni/SysUtils_jni.h"
+
+namespace base {
+namespace android {
+
+bool SysUtilsAndroid::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+bool SysUtilsAndroid::IsLowEndDeviceFromJni() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_SysUtils_isLowEndDevice(env);
+}
+}  // namespace android
+
+static base::LazyInstance<
+    base::internal::LazySysInfoValue<bool,
+        android::SysUtilsAndroid::IsLowEndDeviceFromJni> >::Leaky
+    g_lazy_low_end_device = LAZY_INSTANCE_INITIALIZER;
+
+bool SysUtils::IsLowEndDevice() {
+  return g_lazy_low_end_device.Get().value();
+}
+}  // namespace base
+