Created min size for print preview dialog and modified to allow the

chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc

 // Copyright (c) 2012 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 <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 #include "chrome/browser/printing/print_preview_test.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
+#include "chrome/test/base/testing_browser_process.h"
 #include "components/prefs/pref_service.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "printing/print_job_constants.h"
 
 using content::WebContents;
 using web_modal::WebContentsModalDialogManager;
 
@@ skipping 34 matching lines @@
 
   chrome::NewTab(browser());
 }
 
 // Create/Get a preview tab for initiator.
 TEST_F(PrintPreviewUIUnitTest, PrintPreviewData) {
   WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(initiator);
   EXPECT_FALSE(IsShowingWebContentsModalDialog(initiator));
 
+#if defined(USE_AURA)
+  TestingBrowserProcess::GetGlobal()->SetPrintPreviewDialogController(
+      new PrintPreviewDialogControllerTest(GetContext()));
+#endif
   printing::PrintPreviewDialogController* controller =
       printing::PrintPreviewDialogController::GetInstance();
   ASSERT_TRUE(controller);
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
   print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);
@@ skipping 26 matching lines @@
   preview_ui->SetPrintPreviewDataForIndex(printing::FIRST_PAGE_INDEX,
                                           dummy_data.get());
 
   // Clear the preview data.
   preview_ui->ClearAllPreviewData();
 
   preview_ui->GetPrintPreviewDataForIndex(
       printing::COMPLETE_PREVIEW_DOCUMENT_INDEX,
       &data);
   EXPECT_EQ(NULL, data.get());
+
+  initiator->Close();
 }
 
 // Set and get the individual draft pages.
 TEST_F(PrintPreviewUIUnitTest, PrintPreviewDraftPages) {
   WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(initiator);
 
+#if defined(USE_AURA)
+  TestingBrowserProcess::GetGlobal()->SetPrintPreviewDialogController(
+      new PrintPreviewDialogControllerTest(GetContext()));
+#endif
   printing::PrintPreviewDialogController* controller =
       printing::PrintPreviewDialogController::GetInstance();
   ASSERT_TRUE(controller);
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
   print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);
@@ skipping 33 matching lines @@
                                           dummy_data.get());
   preview_ui->GetPrintPreviewDataForIndex(printing::FIRST_PAGE_INDEX + 1,
                                           &data);
   EXPECT_EQ(dummy_data->size(), data->size());
   EXPECT_EQ(dummy_data.get(), data.get());
 
   // Clear the preview data.
   preview_ui->ClearAllPreviewData();
   preview_ui->GetPrintPreviewDataForIndex(printing::FIRST_PAGE_INDEX, &data);
   EXPECT_EQ(NULL, data.get());
+
+  initiator->Close();
+
 }
 
 // Test the browser-side print preview cancellation functionality.
 TEST_F(PrintPreviewUIUnitTest, GetCurrentPrintPreviewStatus) {
   WebContents* initiator = browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(initiator);
 
+#if defined(USE_AURA)
+  TestingBrowserProcess::GetGlobal()->SetPrintPreviewDialogController(
+      new PrintPreviewDialogControllerTest(GetContext()));
+#endif
   printing::PrintPreviewDialogController* controller =
       printing::PrintPreviewDialogController::GetInstance();
   ASSERT_TRUE(controller);
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
   print_view_manager->PrintPreviewNow(initiator->GetMainFrame(), false);
   WebContents* preview_dialog = controller->GetOrCreatePreviewDialog(initiator);
 
   EXPECT_NE(initiator, preview_dialog);
@@ skipping 30 matching lines @@
   preview_ui->OnPrintPreviewRequest(kSecondRequestId);
   cancel = false;
   preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kFirstRequestId,
                                            &cancel);
   EXPECT_TRUE(cancel);
 
   cancel = true;
   preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kSecondRequestId,
                                            &cancel);
   EXPECT_FALSE(cancel);
+
+  initiator->Close();
 }