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

ui/gfx/switches.cc

Index: ui/gfx/switches.cc
diff --git a/ui/gfx/switches.cc b/ui/gfx/switches.cc
index f25ea9b2c28a7d9d74132bd30651624b8efa28dd..f5cad870c893c1f2cf6b3f2af53dcea757bbd263 100644
--- a/ui/gfx/switches.cc
+++ b/ui/gfx/switches.cc
@@ -7,16 +7,16 @@
 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[] =