[iOS] Move web view delegate logic into a shared components

ios/brave-ios/Sources/Brave/BraveSkus/BraveSkusAccountLink.swift

@@ -44,17 +44,17 @@ class BraveSkusAccountLink {
   }
 
   @MainActor
-  static func injectLocalStorage(webView: WKWebView) async {
+  static func injectLocalStorage(tab: Tab) async {
     if let vpnSubscriptionProductId = Preferences.VPN.subscriptionProductId.value,
       let product = BraveStoreProduct(rawValue: vpnSubscriptionProductId)
     {
-      await BraveSkusAccountLink.injectLocalStorage(webView: webView, product: product)
+      await BraveSkusAccountLink.injectLocalStorage(tab: tab, product: product)
     }
 
     if let aiChatSubscriptionProductId = Preferences.AIChat.subscriptionProductId.value,
       let product = BraveStoreProduct(rawValue: aiChatSubscriptionProductId)
     {
-      await BraveSkusAccountLink.injectLocalStorage(webView: webView, product: product)
+      await BraveSkusAccountLink.injectLocalStorage(tab: tab, product: product)
     }
   }
 
@@ -63,11 +63,11 @@ class BraveSkusAccountLink {
   /// - Parameter product: The product whose receipt information to inject
   @MainActor
   @discardableResult private static func injectLocalStorage(
-    webView: WKWebView,
+    tab: Tab,
     product: BraveStoreProduct
   ) async -> Bool {
     // The WebView has no URL so do nothing
-    guard let url = webView.url else {
+    guard let webView = tab.webView, let url = webView.url else {
       return false
     }
 

ios/brave-ios/Sources/Brave/Frontend/Browser/BrowserPrompts.swift

@@ -2,6 +2,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
+import BraveCore
 import Foundation
 import Shared
 import WebKit
@@ -92,13 +93,13 @@ protocol JSAlertInfo {
 
 struct MessageAlert: JSAlertInfo {
   let message: String
-  let frame: WKFrameInfo
+  let origin: URLOrigin
   let completionHandler: () -> Void
   var suppressHandler: SuppressHandler?
 
   func alertController() -> JSPromptAlertController {
     let alertController = JSPromptAlertController(
-      title: titleForJavaScriptPanelInitiatedByFrame(frame),
+      title: origin.serialized,
       message: message,
       info: self,
       showCancel: false
@@ -119,14 +120,14 @@ struct MessageAlert: JSAlertInfo {
 
 struct ConfirmPanelAlert: JSAlertInfo {
   let message: String
-  let frame: WKFrameInfo
+  let origin: URLOrigin
   let completionHandler: (Bool) -> Void
   var suppressHandler: SuppressHandler?
 
   func alertController() -> JSPromptAlertController {
     // Show JavaScript confirm dialogs.
     let alertController = JSPromptAlertController(
-      title: titleForJavaScriptPanelInitiatedByFrame(frame),
+      title: origin.serialized,
       message: message,
       info: self
     )
@@ -146,14 +147,14 @@ struct ConfirmPanelAlert: JSAlertInfo {
 
 struct TextInputAlert: JSAlertInfo {
   let message: String
-  let frame: WKFrameInfo
+  let origin: URLOrigin
   let completionHandler: (String?) -> Void
   let defaultText: String?
   var suppressHandler: SuppressHandler?
 
   func alertController() -> JSPromptAlertController {
     let alertController = JSPromptAlertController(
-      title: titleForJavaScriptPanelInitiatedByFrame(frame),
+      title: origin.serialized,
       message: message,
       info: self
     )
@@ -176,17 +177,6 @@ struct TextInputAlert: JSAlertInfo {
   }
 }
 
-/// Show a title for a JavaScript Panel (alert) based on the WKFrameInfo. On iOS9 we will use the new securityOrigin
-/// and on iOS 8 we will fall back to the request URL. If the request URL is nil, which happens for JavaScript pages,
-/// we fall back to "JavaScript" as a title.
-private func titleForJavaScriptPanelInitiatedByFrame(_ frame: WKFrameInfo) -> String {
-  var title = "\(frame.securityOrigin.`protocol`)://\(frame.securityOrigin.host)"
-  if frame.securityOrigin.port != 0 {
-    title += ":\(frame.securityOrigin.port)"
-  }
-  return title
-}
-
 /// A generic browser alert that will execute a closure if its dismissed and no actions were picked
 /// to allow us to call any neccessary completion handlers required by WebKit
 ///

ios/brave-ios/Sources/Brave/Frontend/Browser/BrowserViewController/BVC+ShareActivity.swift

@@ -141,8 +141,7 @@ extension BrowserViewController {
         activityType: .pageZoom,
         callback: { [weak self] in
           guard let self = self else { return }
-
-          self.displayPageZoom(visible: true)
+          self.displayPageZoomDialog()
         }
       )
     )

ios/brave-ios/Sources/Brave/Frontend/Browser/BrowserViewController/BVC+TabManagerDelegate.swift

@@ -127,13 +127,15 @@ extension BrowserViewController: TabManagerDelegate {
       }
     }
 
-    displayPageZoom(visible: false)
+    clearPageZoomDialog()
     updateTabsBarVisibility()
     selected?.updatePullToRefreshVisibility()
 
-    topToolbar.locationView.loading = selected?.loading ?? false
-    updateBackForwardActionStatus(for: selected?.webView)
-    navigationToolbar.updateForwardStatus(selected?.canGoForward ?? false)
+    if let tab = selected {
+      topToolbar.locationView.loading = tab.loading
+      updateBackForwardActionStatus(for: tab)
+      navigationToolbar.updateForwardStatus(tab.canGoForward)
+    }
 
     let shouldShowPlaylistURLBarButton = selected?.url?.isPlaylistSupportedSiteURL == true