Remove a bunch of unused network flags.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 25d90101dd1755e453bfd0e842fa29fe53ba5ea8..a0a20c734184a4f4532deb4ae635bfba511ebc1c 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -1402,20 +1402,8 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   browser_process_->intranet_redirect_detector();
   GoogleSearchCounter::RegisterForNotifications();
 
-  if (parsed_command_line().HasSwitch(switches::kEnableSdch)) {
-    // SDCH options via switches::kEnableSdch include:
-    const int kSdchDisabled = 0;
-    const int kSdchOverHttpEnabled = 1;
-    const int kSdchOverBothHttpAndHttpsEnabled = 2;
-    int sdch_enabled = kSdchOverHttpEnabled;
-    if (base::StringToInt(parsed_command_line().GetSwitchValueASCII(
-            switches::kEnableSdch), &sdch_enabled)) {
-      if (sdch_enabled == kSdchDisabled) {
-        net::SdchManager::EnableSdchSupport(false);
-      } else if (sdch_enabled == kSdchOverBothHttpAndHttpsEnabled) {
-        net::SdchManager::EnableSecureSchemeSupport(true);
-      }
-    }
+  if (parsed_command_line().HasSwitch(switches::kEnableSdchOverHttps)) {
+    net::SdchManager::EnableSecureSchemeSupport(true);
   }
 
   if (parsed_command_line().HasSwitch(switches::kEnableWatchdog))