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

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

Index: chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc b/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
index 12910fae0f96dcfd94b184420b2bb8e0d11b05d2..e98b4f29c9a4924bd014835dd4ea2afae8c415e4 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui_unittest.cc
@@ -16,6 +16,7 @@
 #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"
@@ -70,6 +71,10 @@ TEST_F(PrintPreviewUIUnitTest, PrintPreviewData) {
   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);
@@ -116,6 +121,8 @@ TEST_F(PrintPreviewUIUnitTest, PrintPreviewData) {
       printing::COMPLETE_PREVIEW_DOCUMENT_INDEX,
       &data);
   EXPECT_EQ(NULL, data.get());
+
+  initiator->Close();
 }
 
 // Set and get the individual draft pages.
@@ -123,6 +130,10 @@ 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);
@@ -176,6 +187,9 @@ TEST_F(PrintPreviewUIUnitTest, PrintPreviewDraftPages) {
   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.
@@ -183,6 +197,10 @@ 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);
@@ -233,4 +251,6 @@ TEST_F(PrintPreviewUIUnitTest, GetCurrentPrintPreviewStatus) {
   preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kSecondRequestId,
                                            &cancel);
   EXPECT_FALSE(cancel);
+
+  initiator->Close();
 }