Experiment to hide close buttons of inactive tabs when using touch

content/public/common/content_switches.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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 727 matching lines @@
     "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";
 
+// Options for hiding the close buttons of inactive tabs when touch
+// is used to interact with the tabstrip.
+const char kTabCloseButtonsHiddenWithTouch[] =
+    "tab-close-buttons-hidden-with-touch";
+
 // 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";
 
 // Type of the current test harness ("browser" or "ui").
 const char kTestType[]                      = "test-type";
 
 // Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally,
 // can specify the specific trace categories to include (e.g.
 // --trace-shutdown=base,net) otherwise, all events are recorded.
@@ skipping 200 matching lines @@
 const char kEnableNpapi[]                   = "enable-npapi";
 
 #if defined(ENABLE_PLUGINS)
 // Enables the plugin power saver feature.
 const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches