Add "panel_fitting" GPU feature type and use it for mirror mode.

chrome/browser/chromeos/login/login_utils.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 "chrome/browser/chromeos/login/login_utils.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 774 matching lines @@
       ::switches::kRendererStartupDialog,
       ::switches::kFlingTapSuppressMaxDown,
       ::switches::kFlingTapSuppressMaxGap,
       ::switches::kTouchDevices,
       ::switches::kTouchOptimizedUI,
       ::switches::kOldCheckboxStyle,
       ash::switches::kAshTouchHud,
       ash::switches::kAshWindowAnimationsDisabled,
       ash::switches::kAuraLegacyPowerButton,
       ash::switches::kAuraNoShadows,
+      ash::switches::kAshDisablePanelFitting,
       ::switches::kUIEnablePartialSwap,
       ::switches::kUIPrioritizeInGpuProcess,
 #if defined(USE_CRAS)
       ::switches::kUseCras,
 #endif
       ::switches::kUseGL,
       ::switches::kUserDataDir,
       chromeos::switches::kDbusStub,
   };
   command_line->CopySwitchesFrom(base_command_line,
@@ skipping 414 matching lines @@
 bool LoginUtils::IsWhitelisted(const std::string& username) {
   CrosSettings* cros_settings = CrosSettings::Get();
   bool allow_new_user = false;
   cros_settings->GetBoolean(kAccountsPrefAllowNewUser, &allow_new_user);
   if (allow_new_user)
     return true;
   return cros_settings->FindEmailInList(kAccountsPrefUsers, username);
 }
 
 }  // namespace chromeos