Print Preview: Set source modifiable bit for scripted printing.

chrome/browser/ui/webui/print_preview_ui.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/webui/print_preview_ui.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
@@ skipping 55 matching lines @@
 
 // Written to on the UI thread, read from any thread.
 base::LazyInstance<PrintPreviewRequestIdMapWithLock>
     g_print_preview_request_id_map = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 PrintPreviewUI::PrintPreviewUI(TabContents* contents)
     : ConstrainedHtmlUI(contents),
       initial_preview_start_time_(base::TimeTicks::Now()),
+      source_is_modifiable_(true),
       tab_closed_(false) {
   // WebUI owns |handler_|.
   handler_ = new PrintPreviewHandler();
   AddMessageHandler(handler_->Attach(this));
 
   // Set up the chrome://print/ data source.
   Profile* profile = Profile::FromBrowserContext(contents->browser_context());
   profile->GetChromeURLDataManager()->AddDataSource(
       new PrintPreviewDataSource());
 
@@ skipping 28 matching lines @@
       preview_ui_addr_str_);
 }
 
 void PrintPreviewUI::SetInitiatorTabURLAndTitle(
     const std::string& initiator_url,
     const string16& job_title) {
   initiator_url_ = initiator_url;
   initiator_tab_title_ = job_title;
 }
 
-void PrintPreviewUI::SetSourceIsModifiable(bool source_is_modifiable) {
-  source_is_modifiable_ = source_is_modifiable;
+// static
+void PrintPreviewUI::SetSourceIsModifiable(
+    TabContentsWrapper* print_preview_tab,
+    bool source_is_modifiable) {
+  if (!print_preview_tab || !print_preview_tab->web_ui())
+    return;
+  PrintPreviewUI* print_preview_ui =
+      static_cast<PrintPreviewUI*>(print_preview_tab->web_ui());
+  print_preview_ui->source_is_modifiable_ = source_is_modifiable;
 }
 
 // static
 void PrintPreviewUI::GetCurrentPrintPreviewStatus(
     const std::string& preview_ui_addr,
     int request_id,
     bool* cancel) {
   int current_id = -1;
   if (!g_print_preview_request_id_map.Get().Get(preview_ui_addr, &current_id)) {
     *cancel = true;
@@ skipping 149 matching lines @@
   ConstrainedHtmlUIDelegate* delegate = GetConstrainedDelegate();
   if (!delegate)
     return;
   delegate->GetHtmlDialogUIDelegate()->OnDialogClosed("");
   delegate->OnDialogCloseFromWebUI();
 }
 
 void PrintPreviewUI::OnReloadPrintersList() {
   CallJavascriptFunction("reloadPrintersList");
 }