Add abstractions that let embedders drive tests of WebContents.

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 <vector>
 
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/printing/print_preview_unit_test_base.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
-#include "content/browser/tab_contents/test_tab_contents.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
+#include "content/test/web_contents_tester.h"
 #include "printing/print_job_constants.h"
 
+using content::WebContents;
+using content::WebContentsTester;
+
 namespace {
 
 const unsigned char blob1[] =
     "12346102356120394751634516591348710478123649165419234519234512349134";
 
 size_t GetConstrainedWindowCount(TabContentsWrapper* tab) {
   return tab->constrained_window_tab_helper()->constrained_window_count();
 }
 
-class FocusTestTabContents : public TestTabContents {
- public:
-  FocusTestTabContents(content::BrowserContext* browser_context,
-                       content::SiteInstance* instance)
-      : TestTabContents(browser_context, instance), focus_called_(0) {
-      }
-
-  int focus_called() const { return focus_called_; }
-
-  virtual void Focus() OVERRIDE {
-    focus_called_++;
-  }
-
- private:
-  int focus_called_;
-};
-
 }  // namespace
 
 class PrintPreviewUIUnitTest : public PrintPreviewUnitTestBase {
  public:
   PrintPreviewUIUnitTest() {}
   virtual ~PrintPreviewUIUnitTest() {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     PrintPreviewUnitTestBase::SetUp();
@@ skipping 169 matching lines @@
   EXPECT_TRUE(cancel);
 
   cancel = true;
   preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kSecondRequestId,
                                            &cancel);
   EXPECT_FALSE(cancel);
 }
 
 TEST_F(PrintPreviewUIUnitTest, InitiatorTabGetsFocusOnPrintPreviewTabClose) {
   EXPECT_EQ(1, browser()->tab_count());
-  FocusTestTabContents* initiator_contents =
-      new FocusTestTabContents(profile(), NULL);
+  WebContents* initiator_contents =
+      WebContentsTester::CreateTestWebContentsCountFocus(profile(), NULL);
+  WebContentsTester* initiator_tester =
+      WebContentsTester::For(initiator_contents);
   browser()->AddWebContents(initiator_contents,
                             NEW_FOREGROUND_TAB,
                             gfx::Rect(),
                             false);
   TabContentsWrapper* initiator_tab =
       TabContentsWrapper::GetCurrentWrapperForContents(initiator_contents);
   ASSERT_TRUE(initiator_tab);
   EXPECT_EQ(2, browser()->tab_count());
-  EXPECT_EQ(0, initiator_contents->focus_called());
+  EXPECT_EQ(0, initiator_tester->GetNumberOfFocusCalls());
 
   printing::PrintPreviewTabController* controller =
       printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(controller);
 
   initiator_tab->print_view_manager()->PrintPreviewNow();
   TabContentsWrapper* preview_tab =
       controller->GetOrCreatePreviewTab(initiator_tab);
 
   EXPECT_NE(initiator_tab, preview_tab);
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(1U, GetConstrainedWindowCount(initiator_tab));
-  EXPECT_EQ(0, initiator_contents->focus_called());
+  EXPECT_EQ(0, initiator_tester->GetNumberOfFocusCalls());
 
   PrintPreviewUI* preview_ui = static_cast<PrintPreviewUI*>(
       preview_tab->web_contents()->GetWebUI()->GetController());
   ASSERT_TRUE(preview_ui != NULL);
 
   preview_ui->OnPrintPreviewTabClosed();
 
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(0U, GetConstrainedWindowCount(initiator_tab));
-  EXPECT_EQ(1, initiator_contents->focus_called());
+  EXPECT_EQ(1, initiator_tester->GetNumberOfFocusCalls());
 }