Removed webControllerDidSuppressDialog: callback.

ios/web/web_state/web_state_observer_bridge_unittest.mm

 // Copyright 2017 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/web_state/web_state_observer_bridge.h"
 
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "ios/web/public/favicon_url.h"
 #import "ios/web/public/test/fakes/crw_test_web_state_observer.h"
@@ skipping 124 matching lines @@
 // Tests |webStateDidChangeVisibleSecurityState:| forwarding.
 TEST_F(WebStateObserverBridgeTest, DidChangeVisibleSecurityState) {
   ASSERT_FALSE([observer_ didChangeVisibleSecurityStateInfo]);
 
   bridge_->DidChangeVisibleSecurityState();
   ASSERT_TRUE([observer_ didChangeVisibleSecurityStateInfo]);
   EXPECT_EQ(&test_web_state_,
             [observer_ didChangeVisibleSecurityStateInfo]->web_state);
 }
 
+// Tests |webStateDidSuppressDialog:| forwarding.
+TEST_F(WebStateObserverBridgeTest, DidSuppressDialog) {
+  ASSERT_FALSE([observer_ didSuppressDialogInfo]);
+
+  bridge_->DidSuppressDialog();
+  ASSERT_TRUE([observer_ didSuppressDialogInfo]);
+  EXPECT_EQ(&test_web_state_, [observer_ didSuppressDialogInfo]->web_state);
+}
+
 // Tests |webState:didSubmitDocumentWithFormNamed:userInitiated:| forwarding.
 TEST_F(WebStateObserverBridgeTest, DocumentSubmitted) {
   ASSERT_FALSE([observer_ submitDocumentInfo]);
 
   std::string kTestFormName("form-name");
   BOOL user_initiated = YES;
   bridge_->DocumentSubmitted(kTestFormName, user_initiated);
   ASSERT_TRUE([observer_ submitDocumentInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ submitDocumentInfo]->web_state);
   EXPECT_EQ(kTestFormName, [observer_ submitDocumentInfo]->form_name);
@@ skipping 70 matching lines @@
 // Tests |webState:webStateDidStartLoading:| forwarding.
 TEST_F(WebStateObserverBridgeTest, DidStartLoading) {
   ASSERT_FALSE([observer_ startLoadingInfo]);
 
   bridge_->DidStartLoading();
   ASSERT_TRUE([observer_ startLoadingInfo]);
   EXPECT_EQ(&test_web_state_, [observer_ startLoadingInfo]->web_state);
 }
 
 }  // namespace web