[ios] Removed deprecated webViewContainingBlockedImage.

ios/web/public/test/earl_grey/web_view_matchers.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/web/public/test/earl_grey/web_view_matchers.h"
 
 #import <UIKit/UIKit.h>
 #import <WebKit/WebKit.h>
 
 #include "base/mac/bind_objc_block.h"
@@ skipping 138 matching lines @@
   std::unique_ptr<base::Value> url_as_value =
       test::ExecuteJavaScript(web_state, get_url_script);
   std::string url_as_string;
   if (!url_as_value->GetAsString(&url_as_string))
     return grey_nil();
 
   UIImage* image = LoadImage(GURL(url_as_string));
   if (!image)
     return grey_nil();
 
-  return webViewContainingBlockedImage(image_id, image.size, web_state);
-}
+  CGSize expected_size = image.size;
 
-id<GREYMatcher> webViewContainingBlockedImage(std::string image_id,
-                                              CGSize expected_size,
-                                              WebState* web_state) {
   MatchesBlock matches = ^BOOL(WKWebView*) {
     return WaitUntilConditionOrTimeout(testing::kWaitForUIElementTimeout, ^{
       NSString* const kGetElementAttributesScript = [NSString
           stringWithFormat:@"var image = document.getElementById('%@');"
                            @"var imageHeight = image.height;"
                            @"var imageWidth = image.width;"
                            @"JSON.stringify({"
                            @"  height:imageHeight,"
                            @"  width:imageWidth"
                            @"});",
@@ skipping 107 matching lines @@
   };
 
   return grey_allOf(interstitial(web_state),
                     [[[GREYElementMatcherBlock alloc]
                         initWithMatchesBlock:matches
                             descriptionBlock:describe] autorelease],
                     nil);
 }
 
 }  // namespace web