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

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index fe393c78c4af860c62cbe859299b075fac179b4d..aa8d3af7e9acbabf1ebd37a57a897773cd30fc53 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -7,14 +7,11 @@
 #include <limits>
 #include <string>
 
-#if defined(OS_ANDROID)
-#include "base/android/sys_utils.h"
-#endif
-
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/synchronization/lock.h"
+#include "base/sys_info.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/base/latency_info_swap_promise.h"
@@ -281,11 +278,11 @@ scoped_ptr<RenderWidgetCompositor> RenderWidgetCompositor::Create(
   // RGBA_4444 textures are only enabled for low end devices
   // and are disabled for Android WebView as it doesn't support the format.
   settings.use_rgba_4444_textures =
-      base::android::SysUtils::IsLowEndDevice() &&
+      base::SysInfo::IsLowEndDevice() &&
       !widget->UsingSynchronousRendererCompositor();
   if (widget->UsingSynchronousRendererCompositor()) {
     // TODO(boliu): Set this ratio for Webview.
-  } else if (base::android::SysUtils::IsLowEndDevice()) {
+  } else if (base::SysInfo::IsLowEndDevice()) {
     // On low-end we want to be very carefull about killing other
     // apps. So initially we use 50% more memory to avoid flickering
     // or raster-on-demand.