Flip the default value of the flag to enable scaling in ImageSkiaOperations.

ui/gfx/switches.cc

 // Copyright 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/gfx/switches.h"
 
 namespace gfx {
 namespace switches {
 
-// Whether or not ImageSkiaOperations methods can scale one of images
-// if they don't have the same scale factor.
-const char kDisableScalingInImageSkiaOperations[] =
-    "disable-scaling-in-image-skia-operations";
-
 // Let text glyphs have X-positions that aren't snapped to the pixel grid in
 // the browser UI.
 const char kEnableBrowserTextSubpixelPositioning[] =
     "enable-browser-text-subpixel-positioning";
 
+// Whether or not ImageSkiaOperations methods can scale one of images
+// if they don't have the same scale factor.
+const char kEnableScalingInImageSkiaOperations[] =
+    "enable-scaling-in-image-skia-operations";
+
 // Enable text glyphs to have X-positions that aren't snapped to the pixel grid
 // in webkit renderers.
 const char kEnableWebkitTextSubpixelPositioning[] =
     "enable-webkit-text-subpixel-positioning";
 
 }  // namespace switches
 }  // namespace gfx