diff --git chrome/browser/download/download_prefs.cc chrome/browser/download/download_prefs.cc
index 65a54420ca60e..27adcf4e827a4 100644
--- chrome/browser/download/download_prefs.cc
+++ chrome/browser/download/download_prefs.cc
@@ -24,6 +24,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"
+#include "cef/libcef/features/runtime.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_core_service_factory.h"
 #include "chrome/browser/download/download_core_service_impl.h"
@@ -60,6 +61,10 @@
 #include "chrome/browser/ui/pdf/adobe_reader_info_win.h"
 #endif
 
+#if BUILDFLAG(ENABLE_CEF)
+#include "cef/libcef/browser/alloy/alloy_download_util.h"
+#endif
+
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadManager;
@@ -344,6 +349,11 @@ DownloadPrefs* DownloadPrefs::FromDownloadManager(
 // static
 DownloadPrefs* DownloadPrefs::FromBrowserContext(
     content::BrowserContext* context) {
+#if BUILDFLAG(ENABLE_CEF)
+  if (cef::IsAlloyRuntimeEnabled()) {
+    return alloy::GetDownloadPrefsFromBrowserContext(context);
+  }
+#endif
   return FromDownloadManager(context->GetDownloadManager());
 }
 
diff --git chrome/browser/printing/print_preview_dialog_controller.cc chrome/browser/printing/print_preview_dialog_controller.cc
index d656ccabc3899..a4b7ce6a7dcd8 100644
--- chrome/browser/printing/print_preview_dialog_controller.cc
+++ chrome/browser/printing/print_preview_dialog_controller.cc
@@ -15,6 +15,7 @@
 #include "build/branding_buildflags.h"
 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"
+#include "cef/libcef/features/features.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/task_manager/web_contents_tags.h"
diff --git chrome/browser/printing/print_view_manager_base.cc chrome/browser/printing/print_view_manager_base.cc
index e74a2d0858c18..fbf05b7814c46 100644
--- chrome/browser/printing/print_view_manager_base.cc
+++ chrome/browser/printing/print_view_manager_base.cc
@@ -223,12 +223,12 @@ void UpdatePrintSettingsOnIO(
     mojom::PrintManagerHost::UpdatePrintSettingsCallback callback,
     scoped_refptr<PrintQueriesQueue> queue,
     base::Value::Dict job_settings,
-    base::WeakPtr<PrintViewManagerBase> manager) {
+    base::WeakPtr<PrintViewManagerBase> manager,
+    const content::GlobalRenderFrameHostId& global_id) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   std::unique_ptr<PrinterQuery> printer_query = queue->PopPrinterQuery(cookie);
   if (!printer_query) {
-    printer_query =
-        queue->CreatePrinterQuery(content::GlobalRenderFrameHostId());
+    printer_query = queue->CreatePrinterQuery(global_id);
   }
   auto* printer_query_ptr = printer_query.get();
   printer_query_ptr->SetSettings(
@@ -698,6 +698,7 @@ void PrintViewManagerBase::UpdatePrintSettings(
       job_settings.Set(kSettingRasterizePdfDpi, value);
   }
 
+  content::RenderFrameHost* render_frame_host = GetCurrentTargetFrame();
   auto callback_wrapper =
       base::BindOnce(&PrintViewManagerBase::UpdatePrintSettingsReply,
                      weak_ptr_factory_.GetWeakPtr(), std::move(callback));
@@ -705,7 +706,8 @@ void PrintViewManagerBase::UpdatePrintSettings(
       FROM_HERE,
       base::BindOnce(&UpdatePrintSettingsOnIO, cookie,
                      std::move(callback_wrapper), queue_,
-                     std::move(job_settings), weak_ptr_factory_.GetWeakPtr()));
+                     std::move(job_settings), weak_ptr_factory_.GetWeakPtr(),
+                     render_frame_host->GetGlobalId()));
 }
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
diff --git chrome/browser/printing/print_view_manager_base.h chrome/browser/printing/print_view_manager_base.h
index 746df417a23f7..dddf164ce6c4d 100644
--- chrome/browser/printing/print_view_manager_base.h
+++ chrome/browser/printing/print_view_manager_base.h
@@ -194,9 +194,6 @@ class PrintViewManagerBase : public PrintManager, public PrintJob::Observer {
   // Manages the low-level talk to the printer.
   scoped_refptr<PrintJob> print_job_;
 
- private:
-  friend class TestPrintViewManager;
-
   // content::WebContentsObserver implementation.
   void RenderFrameHostStateChanged(
       content::RenderFrameHost* render_frame_host,
diff --git chrome/browser/resources/print_preview/ui/destination_dialog.html chrome/browser/resources/print_preview/ui/destination_dialog.html
index 5d1658999d5bb..d1b7b7288c946 100644
--- chrome/browser/resources/print_preview/ui/destination_dialog.html
+++ chrome/browser/resources/print_preview/ui/destination_dialog.html
@@ -15,10 +15,7 @@
     </print-preview-destination-list>
   </div>
   <div slot="button-container">
-    <cr-button on-click="onManageButtonClick_">
-      $i18n{manage}
-      <iron-icon icon="cr:open-in-new" id="manageIcon"></iron-icon>
-    </cr-button>
+    <div></div>
     <cr-button class="cancel-button" on-click="onCancelButtonClick_">
       $i18n{cancel}
     </cr-button>
diff --git chrome/browser/ui/webui/constrained_web_dialog_ui.cc chrome/browser/ui/webui/constrained_web_dialog_ui.cc
index f6098966f5b34..da78289b66155 100644
--- chrome/browser/ui/webui/constrained_web_dialog_ui.cc
+++ chrome/browser/ui/webui/constrained_web_dialog_ui.cc
@@ -13,6 +13,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/memory/raw_ptr.h"
 #include "base/values.h"
+#include "cef/libcef/features/runtime.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
@@ -57,7 +58,9 @@ class ConstrainedWebDialogDelegateUserData
 ConstrainedWebDialogUI::ConstrainedWebDialogUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
 #if BUILDFLAG(ENABLE_EXTENSIONS)
+  if (!cef::IsAlloyRuntimeEnabled()) {
   extensions::TabHelper::CreateForWebContents(web_ui->GetWebContents());
+  }
 #endif
 }
 
diff --git chrome/browser/ui/webui/print_preview/print_preview_ui.cc chrome/browser/ui/webui/print_preview/print_preview_ui.cc
index 70a13e9c0c5e4..1eb0e9c8faa62 100644
--- chrome/browser/ui/webui/print_preview/print_preview_ui.cc
+++ chrome/browser/ui/webui/print_preview/print_preview_ui.cc
@@ -22,6 +22,7 @@
 #include "base/values.h"
 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"
+#include "cef/libcef/features/runtime.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/pdf/pdf_extension_util.h"
 #include "chrome/browser/printing/background_printing_manager.h"
@@ -96,6 +97,13 @@ const char16_t kBasicPrintShortcut[] = u"\u0028\u21e7\u2318\u0050\u0029";
 const char16_t kBasicPrintShortcut[] = u"(Ctrl+Shift+P)";
 #endif
 
+const char16_t* GetBasicPrintShortcut() {
+  if (cef::IsAlloyRuntimeEnabled()) {
+    return u"";
+  }
+  return kBasicPrintShortcut;
+}
+
 constexpr char kInvalidArgsForDidStartPreview[] =
     "Invalid arguments for DidStartPreview";
 constexpr char kInvalidPageNumberForDidPreviewPage[] =
@@ -326,7 +334,7 @@ void AddPrintPreviewStrings(content::WebUIDataSource* source) {
   source->AddLocalizedStrings(kLocalizedStrings);
 
 #if !BUILDFLAG(IS_CHROMEOS)
-  const std::u16string shortcut_text(kBasicPrintShortcut);
+  const std::u16string shortcut_text(GetBasicPrintShortcut());
   source->AddString("systemDialogOption",
                     l10n_util::GetStringFUTF16(
                         IDS_PRINT_PREVIEW_SYSTEM_DIALOG_OPTION, shortcut_text));