Remove usage of no-op macro DEFINE_WEB_STATE_USER_DATA_KEY.

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

This CL was uploaded by git cl split.

R=eugenebut@chromium.org

Bug: 589840
Change-Id: Ide0379a61902c122eb75481ea4902a0b777ee76f
Reviewed-on: https://chromium-review.googlesource.com/c/1351078Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611239}

ios/chrome/browser/web/blocked_popup_tab_helper.mm

@@ -30,8 +30,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(BlockedPopupTabHelper);
-
 namespace {
 // The infobar to display when a popup is blocked.
 class BlockPopupInfoBarDelegate : public ConfirmInfoBarDelegate {

ios/chrome/browser/web/dom_altering_lock.mm

@@ -11,8 +11,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(DOMAlteringLock);
-
 DOMAlteringLock::DOMAlteringLock(web::WebState* web_state) {
 }
 

ios/chrome/browser/web/font_size_tab_helper.mm

@@ -13,8 +13,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(FontSizeTabHelper);
-
 FontSizeTabHelper::~FontSizeTabHelper() {
   // Remove observer in destructor because |this| is captured by the usingBlock
   // in calling [NSNotificationCenter.defaultCenter

ios/chrome/browser/web/image_fetch_tab_helper.mm

@@ -22,8 +22,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(ImageFetchTabHelper);
-
 const char kUmaGetImageDataByJsResult[] =
     "ContextMenu.iOS.GetImageDataByJsResult";
 

ios/chrome/browser/web/load_timing_tab_helper.mm

@@ -8,8 +8,6 @@
 #include "base/metrics/histogram_macros.h"
 #import "ios/web/public/web_state/web_state.h"
 
-DEFINE_WEB_STATE_USER_DATA_KEY(LoadTimingTabHelper);
-
 const char LoadTimingTabHelper::kOmnibarToPageLoadedMetric[] =
     "IOS.PageLoadTiming.OmnibarToPageLoaded";
 

ios/chrome/browser/web/network_activity_indicator_tab_helper.mm

@@ -12,8 +12,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(NetworkActivityIndicatorTabHelper);
-
 // static
 void NetworkActivityIndicatorTabHelper::CreateForWebState(
     web::WebState* web_state,

ios/chrome/browser/web/page_placeholder_tab_helper.mm

@@ -21,8 +21,6 @@ const double kPlaceholderMaxDisplayTimeInSeconds = 1.5;
 const NSTimeInterval kPlaceholderFadeOutAnimationLengthInSeconds = 0.5;
 }  // namespace
 
-DEFINE_WEB_STATE_USER_DATA_KEY(PagePlaceholderTabHelper);
-
 PagePlaceholderTabHelper::PagePlaceholderTabHelper(web::WebState* web_state)
     : web_state_(web_state), weak_factory_(this) {
   web_state_->AddObserver(this);

ios/chrome/browser/web/print_tab_helper.mm

@@ -20,8 +20,6 @@ namespace {
 const char kPrintCommandPrefix[] = "print";
 }
 
-DEFINE_WEB_STATE_USER_DATA_KEY(PrintTabHelper);
-
 // static
 void PrintTabHelper::CreateForWebState(web::WebState* web_state,
                                        id<WebStatePrinter> printer) {

ios/chrome/browser/web/repost_form_tab_helper.mm

@@ -10,8 +10,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(RepostFormTabHelper);
-
 RepostFormTabHelper::RepostFormTabHelper(
     web::WebState* web_state,
     id<RepostFormTabHelperDelegate> delegate)

ios/chrome/browser/web/sad_tab_tab_helper.mm

@@ -26,8 +26,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(SadTabTabHelper);
-
 const double SadTabTabHelper::kDefaultRepeatFailureInterval = 60.0f;
 
 namespace {

ios/chrome/browser/web/tab_id_tab_helper.mm

@@ -12,8 +12,6 @@
 #error "This file requires ARC support."
 #endif
 
-DEFINE_WEB_STATE_USER_DATA_KEY(TabIdTabHelper);
-
 namespace {
 // The key under which the tab ID is stored in the WebState's serializable user
 // data.