Revert of Replace enable-compositing-for-fixed-position with prefer-compositing-to-lcd-text.

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 123 matching lines @@
   first = std::find(cmdline.argv().begin(), cmdline.argv().end(),
                     GetSwitchString(chromeos::switches::kPolicySwitchesBegin));
   last = std::find(cmdline.argv().begin(), cmdline.argv().end(),
                    GetSwitchString(chromeos::switches::kPolicySwitchesEnd));
   if (first != cmdline.argv().end() && last != cmdline.argv().end())
     flags.insert(first + 1, last);
 #endif
   return flags;
 }
 
+const Experiment::Choice kEnableCompositingForFixedPositionChoices[] = {
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
+  { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
+    switches::kEnableCompositingForFixedPosition, ""},
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
+    switches::kDisableCompositingForFixedPosition, ""},
+  { IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_HIGH_DPI,
+    switches::kEnableHighDpiCompositingForFixedPosition, ""}
+};
+
 const Experiment::Choice kEnableCompositingForTransitionChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
     switches::kEnableCompositingForTransition, ""},
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kDisableCompositingForTransition, ""},
 };
 
 const Experiment::Choice kEnableAcceleratedFixedRootBackgroundChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
@@ skipping 483 matching lines @@
 #if defined(OS_ANDROID)
   {
     "disable-webaudio",
     IDS_FLAGS_DISABLE_WEBAUDIO_NAME,
     IDS_FLAGS_DISABLE_WEBAUDIO_DESCRIPTION,
     kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kDisableWebAudio)
   },
 #endif
   {
+    "enable-compositing-for-fixed-position",
+    IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_NAME,
+    IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_DESCRIPTION,
+    kOsAll,
+    MULTI_VALUE_TYPE(kEnableCompositingForFixedPositionChoices)
+  },
+  {
     "enable-compositing-for-transition",
     IDS_FLAGS_COMPOSITING_FOR_TRANSITION_NAME,
     IDS_FLAGS_COMPOSITING_FOR_TRANSITION_DESCRIPTION,
     kOsAll,
     MULTI_VALUE_TYPE(kEnableCompositingForTransitionChoices)
   },
   {
     "enable-accelerated-fixed-root-background",
     IDS_FLAGS_ACCELERATED_FIXED_ROOT_BACKGROUND_NAME,
     IDS_FLAGS_ACCELERATED_FIXED_ROOT_BACKGROUND_DESCRIPTION,
@@ skipping 1837 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags