Remove "device scale factor" option from about flags page.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 160 matching lines @@
 const Experiment::Choice kOverscrollHistoryNavigationChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kOverscrollHistoryNavigation,
     "0" },
   { IDS_OVERSCROLL_HISTORY_NAVIGATION_SIMPLE_UI,
     switches::kOverscrollHistoryNavigation,
     "2" }
 };
 #endif
-#if defined(OS_CHROMEOS) || defined(OS_WIN) || defined(OS_LINUX)
-const Experiment::Choice kDeviceScaleFactorChoices[] = {
-  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", ""},
-  { IDS_DEVICE_SCALE_FACTOR_1_1, switches::kForceDeviceScaleFactor, "1.1"},
-  { IDS_DEVICE_SCALE_FACTOR_1_2, switches::kForceDeviceScaleFactor, "1.2"},
-  { IDS_DEVICE_SCALE_FACTOR_1_25, switches::kForceDeviceScaleFactor, "1.25"},
-  { IDS_DEVICE_SCALE_FACTOR_1_3, switches::kForceDeviceScaleFactor, "1.3"},
-  { IDS_DEVICE_SCALE_FACTOR_1_4, switches::kForceDeviceScaleFactor, "1.4"},
-  { IDS_DEVICE_SCALE_FACTOR_2, switches::kForceDeviceScaleFactor, "2"},
-};
-#endif
 
 #if !defined(DISABLE_NACL)
 const Experiment::Choice kNaClDebugMaskChoices[] = {
   // Secure shell can be used on ChromeOS for forwarding the TCP port opened by
   // debug stub to a remote machine. Since secure shell uses NaCl, we usually
   // want to avoid debugging that. The PNaCl translator is also a NaCl module,
   // so by default we want to avoid debugging that.
   // NOTE: As the default value must be the empty string, the mask excluding
   // the PNaCl translator and secure shell is substituted elsewhere.
   { IDS_NACL_DEBUG_MASK_CHOICE_EXCLUDE_UTILS_PNACL, "", "" },
@@ skipping 712 matching lines @@
   },
 #if defined(ENABLE_PLUGINS)
   {
     "allow-nacl-socket-api",
     IDS_FLAGS_ALLOW_NACL_SOCKET_API_NAME,
     IDS_FLAGS_ALLOW_NACL_SOCKET_API_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE_AND_VALUE(switches::kAllowNaClSocketAPI, "*")
   },
 #endif
-#if defined(OS_CHROMEOS) || defined(OS_WIN) || defined(OS_LINUX)
-  {
-    "force-device-scale-factor",
-    IDS_FLAGS_FORCE_DEVICE_SCALE_FACTOR_NAME,
-    IDS_FLAGS_FORCE_DEVICE_SCALE_FACTOR_DESCRIPTION,
-    kOsLinux | kOsWin | kOsCrOS,
-    MULTI_VALUE_TYPE(kDeviceScaleFactorChoices)
-  },
-#endif
 #if defined(OS_CHROMEOS)
   {
     "allow-touchpad-three-finger-click",
     IDS_FLAGS_ALLOW_TOUCHPAD_THREE_FINGER_CLICK_NAME,
     IDS_FLAGS_ALLOW_TOUCHPAD_THREE_FINGER_CLICK_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kEnableTouchpadThreeFingerClick)
   },
   {
     "enable-easy-signin",
@@ skipping 1550 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags