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

base/android/sys_utils.h

Index: base/android/sys_utils.h
diff --git a/base/android/sys_utils.h b/base/android/sys_utils.h
index 0841d0a7888d32b80eab953e174dc6e8d487e115..85dc03585c3e913a61914bd23498e42d5ae8e870 100644
--- a/base/android/sys_utils.h
+++ b/base/android/sys_utils.h
@@ -15,16 +15,7 @@ class BASE_EXPORT SysUtils {
   static bool Register(JNIEnv* env);
 
   // Returns true iff this is a low-end device.
-  static bool IsLowEndDevice();
-
-  // Return the device's RAM size in kilo-bytes.
-  static size_t AmountOfPhysicalMemoryKB();
-
- private:
-  SysUtils();
-
   static bool IsLowEndDeviceFromJni();
-  static size_t AmountOfPhysicalMemoryKBFromJni();
 };
 
 }  // namespace android