Added flag for alternate launcher settings (remaining changes to come).

ash/ash_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 "ash/ash_switches.h"
 
 #include "base/command_line.h"
 
 namespace ash {
 namespace switches {
@@ skipping 102 matching lines @@
 
 // Specifies the layout mode and offsets for the secondary display for
 // testing. The format is "<t|r|b|l>,<offset>" where t=TOP, r=RIGHT,
 // b=BOTTOM and L=LEFT. For example, 'r,-100' means the secondary display
 // is positioned on the right with -100 offset. (above than primary)
 const char kAshSecondaryDisplayLayout[] = "ash-secondary-display-layout";
 
 // Enables the heads-up display for tracking touch points.
 const char kAshTouchHud[] = "ash-touch-hud";
 
+// Use alternate layout of the shelf for testing a new look and feel:
+// Slightly smaller profile, only 2 states for the "bar highlight" on
+// launcher buttons, app list icon with more visible state indication,
+// app list icon repositionable and defaulting as 1st item in shelf,
+// more visible state indication for background on status area.
+// crbug's [244983, 244990, 244994, 245005, 245012]
+const char kAshUseAlternateShelfLayout[] = "ash-use-alternate-shelf";
+
 // Uses the 1st display in --ash-host-window-bounds as internal display.
 // This is for debugging on linux desktop.
 const char kAshUseFirstDisplayAsInternal[] =
     "ash-use-first-display-as-internal";
 
 // (Most) Chrome OS hardware reports ACPI power button releases correctly.
 // Standard hardware reports releases immediately after presses.  If set, we
 // lock the screen or shutdown the system immediately in response to a press
 // instead of displaying an interactive animation.
 const char kAuraLegacyPowerButton[] = "aura-legacy-power-button";
@@ skipping 17 matching lines @@
   return !CommandLine::ForCurrentProcess()->
       HasSwitch(ash::switches::kAshDisableNewAudioHandler);
 }
 
 bool ShowAudioDeviceMenu() {
   return ash::switches::UseNewAudioHandler() &&
       CommandLine::ForCurrentProcess()->
           HasSwitch(ash::switches::kAshEnableAudioDeviceMenu);
 }
 
+bool UseAlternateShelfLayout() {
+  return CommandLine::ForCurrentProcess()->
+        HasSwitch(ash::switches::kAshUseAlternateShelfLayout);
+}
+
 }  // namespace switches
 }  // namespace ash