Get full WebPluginInfo for the PDF plug-in before enabling it for print preview.

chrome/browser/printing/print_preview_tab_controller_unittest.cc

Index: chrome/browser/printing/print_preview_tab_controller_unittest.cc
diff --git a/chrome/browser/printing/print_preview_tab_controller_unittest.cc b/chrome/browser/printing/print_preview_tab_controller_unittest.cc
index e16e46bb9e6808c641a8a956b30b4746451e2447..706797f591bf8a0a40c7238ea2e24778a361cf13 100644
--- a/chrome/browser/printing/print_preview_tab_controller_unittest.cc
+++ b/chrome/browser/printing/print_preview_tab_controller_unittest.cc
@@ -16,7 +16,9 @@
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
+#include "content/public/browser/plugin_service.h"
 #include "content/public/common/url_constants.h"
+#include "webkit/plugins/npapi/mock_plugin_list.h"
 
 // Test crashes on Aura due to initiator tab's native view having no parent.
 // http://crbug.com/104284
@@ -45,6 +47,9 @@ class PrintPreviewTabControllerUnitTest : public BrowserWithTestWindowTest {
 
 // Create/Get a preview tab for initiator tab.
 TEST_F(PrintPreviewTabControllerUnitTest, MAYBE_GetOrCreatePreviewTab) {
+  webkit::npapi::MockPluginList plugin_list;
+  content::PluginService::GetInstance()->SetPluginListForTesting(&plugin_list);
+
   // Lets start with one window with one tab.
   EXPECT_EQ(1u, BrowserList::size());
   EXPECT_EQ(0, browser()->tab_count());