[ios] Removed CookieStoreIOS::SetCookiePolicy.

ios/chrome/app/steps/launch_to_foreground.mm

Index: ios/chrome/app/steps/launch_to_foreground.mm
diff --git a/ios/chrome/app/steps/launch_to_foreground.mm b/ios/chrome/app/steps/launch_to_foreground.mm
index 9b9b357e5ddfeebb7a06beda509a4e8aacb5f10d..4ec0b58cbbf46dad11133d94a29f42d0ee49a265 100644
--- a/ios/chrome/app/steps/launch_to_foreground.mm
+++ b/ios/chrome/app/steps/launch_to_foreground.mm
@@ -13,7 +13,6 @@
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/content_settings/host_content_settings_map_factory.h"
-#include "ios/net/cookies/cookie_store_ios.h"
 #include "ios/web/public/web_capabilities.h"
 #include "ios/web/public/web_thread.h"
 
@@ -37,57 +36,6 @@
 
 @end
 
-@implementation BrowserStateInitializer
-
-- (BOOL)canRunInState:(ApplicationState*)state {
-  return state.browserState && state.phase == APPLICATION_BACKGROUNDED;
-}
-
-- (void)runInState:(ApplicationState*)state {
-  DCHECK(!state.browserState->IsOffTheRecord());
-  [self setInitialCookiesPolicy:state.browserState];
-}
-
-// Copied verbatim from MainController.
-- (void)setInitialCookiesPolicy:(ios::ChromeBrowserState*)browserState {
-  DCHECK(browserState);
-  net::CookieStoreIOS::CookiePolicy policy = net::CookieStoreIOS::BLOCK;
-
-  auto settingsFactory =
-      ios::HostContentSettingsMapFactory::GetForBrowserState(browserState);
-  DCHECK(settingsFactory);
-  ContentSetting cookieSetting = settingsFactory->GetDefaultContentSetting(
-      CONTENT_SETTINGS_TYPE_COOKIES, nullptr);
-
-  if (!web::IsAcceptCookieControlSupported()) {
-    // Override the Accept Cookie policy as ALLOW is the only policy
-    // supported by //web.
-    policy = net::CookieStoreIOS::ALLOW;
-    if (cookieSetting == CONTENT_SETTING_BLOCK) {
-      settingsFactory->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_COOKIES,
-                                                CONTENT_SETTING_ALLOW);
-    }
-  } else {
-    switch (cookieSetting) {
-      case CONTENT_SETTING_ALLOW:
-        policy = net::CookieStoreIOS::ALLOW;
-        break;
-      case CONTENT_SETTING_BLOCK:
-        policy = net::CookieStoreIOS::BLOCK;
-        break;
-      default:
-        NOTREACHED() << "Unsupported cookie policy.";
-        break;
-    }
-  }
-
-  web::WebThread::PostTask(
-      web::WebThread::IO, FROM_HERE,
-      base::Bind(&net::CookieStoreIOS::SetCookiePolicy, policy));
-}
-
-@end
-
 @implementation PrepareForUI
 
 - (BOOL)canRunInState:(ApplicationState*)state {