Disable printing context menus on the print preview page.

chrome/browser/dom_ui/print_preview_ui_uitest.cc

Index: chrome/browser/dom_ui/print_preview_ui_uitest.cc
===================================================================
--- chrome/browser/dom_ui/print_preview_ui_uitest.cc	(revision 68080)
+++ chrome/browser/dom_ui/print_preview_ui_uitest.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "app/l10n_util.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/app/chrome_command_ids.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/automation/browser_proxy.h"
@@ -24,6 +25,14 @@
   }
 
   void AssertIsPrintPage(TabProxy* tab) {
+    // Wait for '#mainview' to become visible to make sure the document is
+    // mostly loaded. Otherwise GetTabTitle() below is flaky.
+    scoped_refptr<DOMElementProxy> dom(tab->GetDOMDocument());
+    ASSERT_TRUE(dom.get());
+    scoped_refptr<DOMElementProxy> mainview = dom->WaitFor1VisibleElement(
+        DOMElementProxy::By::Selectors("#mainview"));
+    ASSERT_TRUE(mainview.get());
+
     std::wstring title;
     ASSERT_TRUE(tab->GetTabTitle(&title));
     string16 expected_title =
@@ -46,4 +55,29 @@
   AssertIsPrintPage(tab);
 }
 
+TEST_F(PrintPreviewUITest, PrintCommandDisabled) {
+  scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
+  ASSERT_TRUE(browser.get());
+
+  // Go to the about:blank page.
+  NavigateToURL(GURL(chrome::kAboutBlankURL));
+
+  // Make sure there is 1 tab and print is enabled. Create print preview tab.
+  int tab_count;
+  ASSERT_TRUE(browser->GetTabCount(&tab_count));
+  ASSERT_EQ(1, tab_count);
+  bool enabled;
+  ASSERT_TRUE(browser->IsMenuCommandEnabled(IDC_PRINT, &enabled));
+  ASSERT_TRUE(enabled);
+  ASSERT_TRUE(browser->RunCommandAsync(IDC_PRINT));
+
+  // Make sure there are 2 tabs and print is disabled.
+  WaitUntilTabCount(2);
+  scoped_refptr<TabProxy> tab = browser->GetActiveTab();
+  ASSERT_TRUE(tab.get());
+  AssertIsPrintPage(tab);
+  ASSERT_TRUE(browser->IsMenuCommandEnabled(IDC_PRINT, &enabled));
+  ASSERT_FALSE(enabled);
+}
+
 }  // namespace