Remove usage of no-op macro DEFINE_WEB_STATE_USER_DATA_KEY.

This CL removes macro usage from /ios/chrome/browser/ssl.

This CL was uploaded by git cl split.

R=estark@chromium.org

Bug: 589840
Change-Id: I603edc1c7e8aff2d4aae44722285ed7c0976c613
Reviewed-on: https://chromium-review.googlesource.com/c/1351966Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611951}

ios/chrome/browser/ssl/captive_portal_detector_tab_helper.mm

@@ -16,8 +16,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(CaptivePortalDetectorTabHelper);
-
 // static
 void CaptivePortalDetectorTabHelper::CreateForWebState(
     web::WebState* web_state,

ios/chrome/browser/ssl/captive_portal_metrics_tab_helper.mm

@@ -14,8 +14,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(CaptivePortalMetricsTabHelper);
-
 // Result of captive portal network check after a request takes longer than
 // |kCaptivePortalTestDelayInMilliseconds|.
 const char kCaptivePortalCausingTimeoutHistogram[] =

ios/chrome/browser/ssl/insecure_input_tab_helper.mm

@@ -51,8 +51,6 @@ security_state::SSLStatusInputEventData* GetOrCreateSSLStatusInputEventData(
 
 }  // namespace
 
-DEFINE_WEB_STATE_USER_DATA_KEY(InsecureInputTabHelper);
-
 InsecureInputTabHelper::~InsecureInputTabHelper() = default;
 
 // static

ios/chrome/browser/ssl/ios_security_state_tab_helper.mm

@@ -23,8 +23,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(IOSSecurityStateTabHelper);
-
 IOSSecurityStateTabHelper::IOSSecurityStateTabHelper(web::WebState* web_state)
     : web_state_(web_state) {}
 

ios/chrome/browser/ssl/ios_ssl_error_handler.mm

@@ -24,8 +24,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(IOSSSLErrorHandler);
-
 const char kSessionDetectionResultHistogram[] =
     "CaptivePortal.Session.DetectionResult";