Print stack traces in child processes when browser tests failed.

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

 // Copyright 2013 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 <sstream>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
@@ skipping 791 matching lines @@
 
   // Verify that onmostvisitedchange event is dispatched when we navigate from
   // SRP to NTP.
   active_tab = browser()->tab_strip_model()->GetActiveWebContents();
   EXPECT_TRUE(UpdateSearchState(active_tab));
   EXPECT_EQ(1, on_most_visited_change_calls_);
 }
 
 // http://crbug.com/518106
 #if defined(OS_WIN)
-#define MAYBE_SetPrefetchQuery DISABLED_SetPrefetchQuery
+#define MAYBE_SetPrefetchQuery SetPrefetchQuery
 #else
 #define MAYBE_SetPrefetchQuery SetPrefetchQuery
 #endif
 IN_PROC_BROWSER_TEST_F(InstantExtendedPrefetchTest, MAYBE_SetPrefetchQuery) {
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
   FocusOmnibox();
 
   content::WindowedNotificationObserver new_tab_observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::NotificationService::AllSources());
@@ skipping 47 matching lines @@
   content::WebContents* active_tab =
       browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(UpdateSearchState(active_tab));
   ASSERT_TRUE(SearchProvider::ShouldPrefetch(*(
       omnibox()->model()->result().default_match())));
   ASSERT_EQ("puppy", prefetch_query_value_);
 }
 
 // http://crbug.com/518106
 #if defined(OS_WIN)
-#define MAYBE_ClearPrefetchedResults DISABLED_ClearPrefetchedResults
+#define MAYBE_ClearPrefetchedResults ClearPrefetchedResults
 #else
 #define MAYBE_ClearPrefetchedResults ClearPrefetchedResults
 #endif
 IN_PROC_BROWSER_TEST_F(InstantExtendedPrefetchTest,
                        MAYBE_ClearPrefetchedResults) {
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
   FocusOmnibox();
 
   content::WindowedNotificationObserver new_tab_observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
@@ skipping 104 matching lines @@
   stream << "link.href = \"" << result_url.spec() << "\";";
   stream << "document.body.appendChild(link);";
   stream << "link.click();";
   EXPECT_TRUE(content::ExecuteScript(contents, stream.str()));
 
   content::WaitForLoadStop(contents);
   std::string expected_title =
       "Referrer is " + instant_url().GetWithEmptyPath().spec();
   EXPECT_EQ(ASCIIToUTF16(expected_title), contents->GetTitle());
 }