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

base/android/java/src/org/chromium/base/SysUtils.java

Index: base/android/java/src/org/chromium/base/SysUtils.java
diff --git a/base/android/java/src/org/chromium/base/SysUtils.java b/base/android/java/src/org/chromium/base/SysUtils.java
index a8fcdcb8169df1710447d0be0cfb2b0501f5a2c2..1108d9ed555b83b37bb84ea1f1701a7fda3c8f7f 100644
--- a/base/android/java/src/org/chromium/base/SysUtils.java
+++ b/base/android/java/src/org/chromium/base/SysUtils.java
@@ -32,14 +32,10 @@ public class SysUtils {
 
     /**
      * Return the amount of physical memory on this device in kilobytes.
-     * Note: the only reason this is public is for testability reason.
      * @return Amount of physical memory in kilobytes, or 0 if there was
      *         an error trying to access the information.
-     *
-     * Note that this is CalledByNative for testing purpose only.
      */
-    @CalledByNative
-    public static int amountOfPhysicalMemoryKB() {
+    private static int amountOfPhysicalMemoryKB() {
         // Extract total memory RAM size by parsing /proc/meminfo, note that
         // this is exactly what the implementation of sysconf(_SC_PHYS_PAGES)
         // does. However, it can't be called because this method must be
@@ -108,11 +104,13 @@ public class SysUtils {
 
     private static boolean detectLowEndDevice() {
         if (CommandLine.isInitialized()) {
-            if (CommandLine.getInstance().hasSwitch(BaseSwitches.ENABLE_LOW_END_DEVICE_MODE)) {
-                return true;
-            }
-            if (CommandLine.getInstance().hasSwitch(BaseSwitches.DISABLE_LOW_END_DEVICE_MODE)) {
-                return false;
+            if (CommandLine.getInstance().hasSwitch(BaseSwitches.LOW_END_DEVICE_MODE)) {
+                int mode = Integer.parseInt(CommandLine.getInstance().getSwitchValue(
+                  BaseSwitches.LOW_END_DEVICE_MODE));
+                if (mode == 1)
+                    return true;
+                if (mode == 0)
+                    return false;
             }
         }