Disable printing context menus on the print preview page.

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2010 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/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 67 matching lines @@
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/provisional_load_details.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/tab_contents/tab_contents_ssl_helper.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #include "chrome/browser/tab_contents/thumbnail_generator.h"
 #include "chrome/browser/tab_contents/web_navigation_observer.h"
 #include "chrome/browser/translate/page_translated_details.h"
 #include "chrome/common/bindings_policy.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/content_restriction.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/navigation_types.h"
 #include "chrome/common/net/url_request_context_getter.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
@@ skipping 2543 matching lines @@
 }
 
 void TabContents::RequestMove(const gfx::Rect& new_bounds) {
   if (delegate() && delegate()->IsPopup(this))
     delegate()->MoveContents(this, new_bounds);
 }
 
 void TabContents::DidStartLoading() {
   SetIsLoading(true, NULL);
 
-  if (content_restrictions_) {
-    content_restrictions_= 0;
-    delegate()->ContentRestrictionsChanged(this);
+  if (delegate()) {
+    bool is_print_preview_tab =
+        printing::PrintPreviewTabController::IsPrintPreviewTab(this);
+    if (content_restrictions_ || is_print_preview_tab) {
+      content_restrictions_= is_print_preview_tab ?
+          CONTENT_RESTRICTION_PRINT : 0;
+      delegate()->ContentRestrictionsChanged(this);
+    }
   }
 
   // Notify observers about navigation.
   FOR_EACH_OBSERVER(WebNavigationObserver, web_navigation_observers_,
                     DidStartLoading());
 }
 
 void TabContents::DidStopLoading() {
   scoped_ptr<LoadNotificationDetails> details;
 
@@ skipping 576 matching lines @@
 }
 
 void TabContents::set_encoding(const std::string& encoding) {
   encoding_ = CharacterEncoding::GetCanonicalEncodingNameByAliasName(encoding);
 }
 
 void TabContents::SetAppIcon(const SkBitmap& app_icon) {
   app_icon_ = app_icon;
   NotifyNavigationStateChanged(INVALIDATE_TITLE);
 }