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

ui/gl/gl_context_android.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/gl/gl_context.h"
 
-#include "base/android/sys_utils.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/sys_info.h"
+#include "base/sys_utils.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context_egl.h"
 #include "ui/gl/gl_context_stub.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
 
 namespace gfx {
 
 namespace {
 
@@ skipping 87 matching lines @@
   // Now we take a default of 1/8th of memory on high-memory devices,
   // and gradually scale that back for low-memory devices (to be nicer
   // to other apps so they don't get killed). Examples:
   // Nexus 4/10(2GB)    256MB
   // Droid Razr M(1GB)  91MB
   // Galaxy Nexus(1GB)  85MB
   // Xoom(1GB)          85MB
   // Nexus S(low-end)   8MB
   static size_t limit_bytes = 0;
   if (limit_bytes == 0) {
-    if (!base::android::SysUtils::IsLowEndDevice()) {
+    if (!base::SysUtils::IsLowEndDevice()) {
       if (physical_memory_mb >= 1536)
         limit_bytes = physical_memory_mb / 8;
       else if (physical_memory_mb >= 1152)
         limit_bytes = physical_memory_mb / 10;
       else if (physical_memory_mb >= 768)
         limit_bytes = physical_memory_mb / 12;
       else
         limit_bytes = physical_memory_mb / 16;
     } else {
       // Low-end devices have 512MB or less memory by definition
       // so we hard code the limit rather than relying on the heuristics
       // above. Low-end devices use 4444 textures so we can use a lower limit.
       limit_bytes = 8;
     }
     limit_bytes = limit_bytes * 1024 * 1024;
   }
   *bytes = limit_bytes;
   return true;
 }
 
 }