Unrevert r245135 "Created new Windows LevelDB environment."

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 5fa8395765113096bab2251af41670193c01bb77..5ed95220ff53f31d66ce733133c93f8d7358439e 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -28,6 +28,7 @@
 #include "grit/generated_resources.h"
 #include "grit/google_chrome_strings.h"
 #include "media/base/media_switches.h"
+#include "third_party/leveldatabase/leveldb_switches.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/compositor/compositor_switches.h"
@@ -182,6 +183,16 @@ const Experiment::Choice kTouchOptimizedUIChoices[] = {
     switches::kTouchOptimizedUIDisabled }
 };
 
+const Experiment::Choice kLevelDbEnvTypeChoices[] = {
+  { IDS_FLAGS_LEVELDB_ENV_TYPE_CHOICE_DEFAULT, "", "" },
+  { IDS_FLAGS_LEVELDB_ENV_TYPE_CHOICE_POSIX,
+    switches::kLevelDbEnv,
+    switches::kLevelDbEnvPosix },
+  { IDS_FLAGS_LEVELDB_ENV_TYPE_CHOICE_WIN32,
+    switches::kLevelDbEnv,
+    switches::kLevelDbEnvWin32 }
+};
+
 const Experiment::Choice kNaClDebugMaskChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   // Secure shell can be used on ChromeOS for forwarding the TCP port opened by
@@ -973,6 +984,13 @@ const Experiment kExperiments[] = {
     SINGLE_VALUE_TYPE(switches::kEnableScrollPrediction)
   },
   {
+    "leveldb-env",
+    IDS_FLAGS_LEVELDB_ENV_TYPE_NAME,
+    IDS_FLAGS_LEVELDB_ENV_TYPE_DESCRIPTION,
+    kOsWin,
+    MULTI_VALUE_TYPE(kLevelDbEnvTypeChoices)
+  },
+  {
     "touch-events",
     IDS_TOUCH_EVENTS_NAME,
     IDS_TOUCH_EVENTS_DESCRIPTION,