Disable IsolatedPrerender Probing Browsertests on Flaky Platforms

These browsertests have dependancies which are flaky on Windows and
some other platforms, and should have been disabled there like the rest
of the tests are.

Bug: 1023485
Change-Id: I9e2bcd4bf215cc3a07e242e6f038ed33778d50cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2129089
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Auto-Submit: Robert Ogden <robertogden@chromium.org>
Reviewed-by: Johann Koenig <johannkoenig@google.com>
Cr-Commit-Position: refs/heads/master@{#754823}

chrome/browser/prerender/isolated/isolated_prerender_browsertest.cc

@@ -451,7 +451,8 @@ class ProbingDisabledIsolatedPrerenderBrowserTest
 // that no probe occurs and the prefetched page can still be used. Therefore,
 // |origin_server_for_probing_| is only started when probing is enabled.
 
-IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest, ProbeGood) {
+IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest,
+                       DISABLE_ON_WIN_MAC_CHROMEOS(ProbeGood)) {
   GURL url = GetOriginServerURL("/simple.html");
 
   AddSuccessfulPrefetch(url);
@@ -468,7 +469,8 @@ IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest, ProbeGood) {
             GetWebContents()->GetTitle());
 }
 
-IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest, ProbeBad) {
+IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest,
+                       DISABLE_ON_WIN_MAC_CHROMEOS(ProbeBad)) {
   GURL url = GetOriginServerURLWithBadProbe("/simple.html");
 
   AddSuccessfulPrefetch(url);
@@ -481,7 +483,8 @@ IN_PROC_BROWSER_TEST_F(ProbingEnabledIsolatedPrerenderBrowserTest, ProbeBad) {
   EXPECT_EQ(base::UTF8ToUTF16("OK"), GetWebContents()->GetTitle());
 }
 
-IN_PROC_BROWSER_TEST_F(ProbingDisabledIsolatedPrerenderBrowserTest, NoProbe) {
+IN_PROC_BROWSER_TEST_F(ProbingDisabledIsolatedPrerenderBrowserTest,
+                       DISABLE_ON_WIN_MAC_CHROMEOS(NoProbe)) {
   // Use the bad probe url to ensure the probe is not being used.
   GURL url = GetOriginServerURLWithBadProbe("/simple.html");