[ios] Removed -[CRWWebDelegate openURLWithParams:].

ios/web/web_state/web_state_delegate_stub.mm

Index: ios/web/web_state/web_state_delegate_stub.mm
diff --git a/ios/web/web_state/web_state_delegate_stub.mm b/ios/web/web_state/web_state_delegate_stub.mm
index 000d8426ed95d3f30623270d246ccdafcf005a54..740ad0308f9387240019ca844199f4c34559694f 100644
--- a/ios/web/web_state/web_state_delegate_stub.mm
+++ b/ios/web/web_state/web_state_delegate_stub.mm
@@ -9,6 +9,8 @@
 
 @implementation CRWWebStateDelegateStub {
   // Backs up the property with the same name.
+  std::unique_ptr<web::WebState::OpenURLParams> _openURLParams;
+  // Backs up the property with the same name.
   std::unique_ptr<web::ContextMenuParams> _contextMenuParams;
   // Backs up the property with the same name.
   BOOL _javaScriptDialogPresenterRequested;
@@ -17,6 +19,13 @@
 @synthesize webState = _webState;
 @synthesize changedProgress = _changedProgress;
 
+- (web::WebState*)webState:(web::WebState*)webState
+         openURLWithParams:(const web::WebState::OpenURLParams&)params {
+  _webState = webState;
+  _openURLParams.reset(new web::WebState::OpenURLParams(params));
+  return webState;
+}
+
 - (void)webState:(web::WebState*)webState didChangeProgress:(double)progress {
   _webState = webState;
   _changedProgress = progress;
@@ -36,6 +45,10 @@
   return nil;
 }
 
+- (const web::WebState::OpenURLParams*)openURLParams {
+  return _openURLParams.get();
+}
+
 - (web::ContextMenuParams*)contextMenuParams {
   return _contextMenuParams.get();
 }