[Flake] Disable PageLoadMetricsBrowserTest.AbortClose on Win7

chrome/browser/page_load_metrics/page_load_metrics_browsertest.cc

 // Copyright 2015 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 "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/test/histogram_tester.h"
 #include "base/time/time.h"
 #include "chrome/browser/page_load_metrics/metrics_web_contents_observer.h"
 #include "chrome/browser/page_load_metrics/observers/aborts_page_load_metrics_observer.h"
@@ skipping 361 matching lines @@
   chrome::NavigateParams params2(browser(), url, ui::PAGE_TRANSITION_RELOAD);
   content::TestNavigationManager manager2(
       browser()->tab_strip_model()->GetActiveWebContents(), url);
   chrome::Navigate(&params2);
 
   manager2.WaitForNavigationFinished();
   histogram_tester_.ExpectTotalCount(
       internal::kHistogramAbortReloadBeforeCommit, 1);
 }
 
-IN_PROC_BROWSER_TEST_F(PageLoadMetricsBrowserTest, AbortClose) {
+// TODO(crbug.com/675061): Flaky on Win7 dbg.
+#if defined(OS_WIN)
+#define MAYBE_AbortClose DISABLED_AbortClose
+#else
+#define MAYBE_AbortClose AbortClose
+#endif
+IN_PROC_BROWSER_TEST_F(PageLoadMetricsBrowserTest, MAYBE_AbortClose) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   GURL url(embedded_test_server()->GetURL("/title1.html"));
   chrome::NavigateParams params(browser(), url, ui::PAGE_TRANSITION_LINK);
   content::TestNavigationManager manager(
       browser()->tab_strip_model()->GetActiveWebContents(), url);
 
   chrome::Navigate(&params);
   EXPECT_TRUE(manager.WaitForRequestStart());
 
@@ skipping 171 matching lines @@
   ui_test_utils::NavigateToURL(browser(), embedded_test_server()->GetURL(
                                               "/page_load_metrics/large.html"));
   NavigateToUntrackedUrl();
 
   histogram_tester_.ExpectTotalCount(internal::kHistogramTotalBytes, 1);
 
   // Verify that there is a single sample recorded in the 10kB bucket (the size
   // of the main HTML response).
   histogram_tester_.ExpectBucketCount(internal::kHistogramTotalBytes, 10, 1);
 }