Test for the fix for history.replaceState navigations submitted earlier.

content/browser/web_contents/web_contents_view_aura_browsertest.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 "content/browser/web_contents/web_contents_view_aura.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_timeouts.h"
@@ skipping 537 matching lines @@
   // increased screenshot interval.
   NavigationController::LoadURLParams params(navigations[0].url);
   params.transition_type = PageTransitionFromInt(navigations[0].transition);
   web_contents->GetController().LoadURLWithParams(params);
   WaitForLoadStop(web_contents);
   screenshot_manager()->WaitUntilScreenshotIsReady();
 
   EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());
 }
 
+// Tests that navigations resulting from reloads and history.replaceState
+// do not capture screenshots.
+IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ReplaceStateAndReload) {
+  ASSERT_NO_FATAL_FAILURE(
+      StartTestWithPage("files/overscroll_navigation.html"));
+  WebContentsImpl* web_contents =
+      static_cast<WebContentsImpl*>(shell()->web_contents());
+  RenderFrameHost* main_frame = web_contents->GetMainFrame();
+
+  set_min_screenshot_interval(0);
+  screenshot_manager()->Reset();
+  ExecuteSyncJSFunction(main_frame, "use_replace_state()");
+  screenshot_manager()->WaitUntilScreenshotIsReady();
+  // history.replaceState shouldn't capture a screenshot
+  EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());
+  screenshot_manager()->Reset();
+  web_contents->GetController().Reload(true);
+  WaitForLoadStop(web_contents);
+  // reloading the page shouldn't capture a screenshot
+  EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());

[nasko, 2014/06/11 16:35:39]

nit: for completeness, I'd add a real navigation or a pushState and check that a
screenshot is indeed taken.

[mfomitchev, 2014/06/11 17:22:07]

Done.

+}
+
 // TODO(sadrul): This test is disabled because it reparents in a way the
 //               FocusController does not support. This code would crash in
 //               a production build. It only passed prior to this revision
 //               because testing used the old FocusManager which did some
 //               different (osbolete) processing. TODO(sadrul) to figure out
 //               how this test should work that mimics production code a bit
 //               better.
 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
                        DISABLED_ContentWindowReparent) {
   ASSERT_NO_FATAL_FAILURE(
@@ skipping 113 matching lines @@
       static_cast<WebContentsImpl*>(shell()->web_contents());
   aura::Window* content = web_contents->GetNativeView()->parent();
   EXPECT_TRUE(web_contents->should_normally_be_visible());
   content->Hide();
   EXPECT_FALSE(web_contents->should_normally_be_visible());
   content->Show();
   EXPECT_TRUE(web_contents->should_normally_be_visible());
 }
 
 }  // namespace content