aura: Put pinch-to-zoom behind a flag (--enable-pinch or --enable-viewport)

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 1037 matching lines @@
       ::switches::kDisableAcceleratedPlugins,
       ::switches::kDisableGpuWatchdog,
       ::switches::kDisableLoginAnimations,
       ::switches::kDisableSeccompFilterSandbox,
       ::switches::kDisableSeccompSandbox,
       ::switches::kDisableThreadedAnimation,
       ::switches::kEnableDevicePolicy,
       ::switches::kEnableGView,
       ::switches::kEnableLogging,
       ::switches::kEnablePartialSwap,
+      ::switches::kEnablePinch,
       ::switches::kEnableSmoothScrolling,
       ::switches::kEnableThreadedCompositing,
       ::switches::kEnableTouchEvents,
       ::switches::kEnableViewport,
       ::switches::kDisableThreadedCompositing,
       ::switches::kForceCompositingMode,
       ::switches::kGpuStartupDialog,
       ::switches::kLoginProfile,
       ::switches::kScrollPixels,
       ::switches::kNoFirstRun,
@@ skipping 386 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