Moved ios popup opening code from Tab to BlockedPopupTabHelper.

ios/web/public/test/fakes/test_web_state_delegate.h

 // 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.
 
 #ifndef IOS_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_
 #define IOS_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_
 
 #import <Foundation/Foundation.h>
 
 #include <memory>
 
 #include "base/mac/scoped_nsobject.h"
 #import "ios/web/public/web_state/web_state_delegate.h"
 #import "ios/web/public/test/fakes/test_java_script_dialog_presenter.h"
 
 namespace web {
 
+// Encapsulates parameters passed to OpenURLFromWebState.
+struct TestOpenURLRequest {
+  TestOpenURLRequest();
+  TestOpenURLRequest(const TestOpenURLRequest&);
+  ~TestOpenURLRequest();
+  WebState* web_state = nullptr;
+  WebState::OpenURLParams params;
+};
+
 // Encapsulates parameters passed to ShowRepostFormWarningDialog.
 struct TestRepostFormRequest {
   TestRepostFormRequest();
   TestRepostFormRequest(const TestRepostFormRequest&);
   ~TestRepostFormRequest();
   WebState* web_state = nullptr;
   base::Callback<void(bool)> callback;
 };
 
 // Encapsulates parameters passed to OnAuthRequired.
 struct TestAuthenticationRequest {
   TestAuthenticationRequest();
   TestAuthenticationRequest(const TestAuthenticationRequest&);
   ~TestAuthenticationRequest();
   WebState* web_state = nullptr;
   base::scoped_nsobject<NSURLProtectionSpace> protection_space;
   base::scoped_nsobject<NSURLCredential> credential;
   WebStateDelegate::AuthCallback auth_callback;
 };
 
 // Fake WebStateDelegate used for testing purposes.
 class TestWebStateDelegate : public WebStateDelegate {
  public:
   TestWebStateDelegate();
   ~TestWebStateDelegate() override;
 
   // WebStateDelegate overrides:
+  WebState* OpenURLFromWebState(WebState*,
+                                const WebState::OpenURLParams&) override;
   JavaScriptDialogPresenter* GetJavaScriptDialogPresenter(WebState*) override;
   bool HandleContextMenu(WebState* source,
                          const ContextMenuParams& params) override;
   void ShowRepostFormWarningDialog(
       WebState* source,
       const base::Callback<void(bool)>& callback) override;
   TestJavaScriptDialogPresenter* GetTestJavaScriptDialogPresenter();
   void OnAuthRequired(WebState* source,
                       NSURLProtectionSpace* protection_space,
                       NSURLCredential* proposed_credential,
                       const AuthCallback& callback) override;
 
   // True if the WebStateDelegate HandleContextMenu method has been called.
   bool handle_context_menu_called() const {
     return handle_context_menu_called_;
   }
 
+  // Returns the last Open URL request passed to |OpenURLFromWebState|.
+  TestOpenURLRequest* last_open_url_request() const {
+    return last_open_url_request_.get();
+  }
+
   // Returns the last Repost Form request passed to
   // |ShowRepostFormWarningDialog|.
   TestRepostFormRequest* last_repost_form_request() const {
     return last_repost_form_request_.get();
   }
 
   // True if the WebStateDelegate GetJavaScriptDialogPresenter method has been
   // called.
   bool get_java_script_dialog_presenter_called() const {
     return get_java_script_dialog_presenter_called_;
   }
 
   // Returns the last HTTP Authentication request passed to |OnAuthRequired|.
   TestAuthenticationRequest* last_authentication_request() const {
     return last_authentication_request_.get();
   }
 
   // Clears the last HTTP Authentication request passed to |OnAuthRequired|.
   void ClearLastAuthenticationRequest() {
     last_authentication_request_.reset();
   }
 
  private:
   bool handle_context_menu_called_ = false;
+  std::unique_ptr<TestOpenURLRequest> last_open_url_request_;
   std::unique_ptr<TestRepostFormRequest> last_repost_form_request_;
   bool get_java_script_dialog_presenter_called_ = false;
   TestJavaScriptDialogPresenter java_script_dialog_presenter_;
   std::unique_ptr<TestAuthenticationRequest> last_authentication_request_;
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_