Remove --tab-capture-upscale/downscale-quality.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 21330fee0d16efb5ff321d818578b54014849ecc..ad9abf37233a24ab13edc27127066803d2dc1b00 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -789,14 +789,6 @@ const char kStartFullscreen[] = "start-fullscreen";
 const char kStatsCollectionController[] =
     "enable-stats-collection-bindings";
 
-// Upscale defaults to "good".
-const char kTabCaptureDownscaleQuality[]    = "tab-capture-downscale-quality";
-
-// Scaling quality for capturing tab. Should be one of "fast", "good" or "best".
-// One flag for upscaling, one for downscaling.
-// Upscale defaults to "best".
-const char kTabCaptureUpscaleQuality[]      = "tab-capture-upscale-quality";
-
 // Allows for forcing socket connections to http/https to use fixed ports.
 const char kTestingFixedHttpPort[]          = "testing-fixed-http-port";
 const char kTestingFixedHttpsPort[]         = "testing-fixed-https-port";