Disable two TestConfirmDialogDefaultGCCancel tests

Disable WebViewTest, Dialog_TestConfirmDialogDefaultGCCancel on
Win, Linux and ChromeOS
Disable WebViewAPITest.TestDialogConfirmDefaultGCCancel on
all platforms

These tests are timeout.

Bug: 937461
Tbr: lfg@chromium.org
Change-Id: I46d846e07ae04ed9077fb9a167f3fe625b335c69
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1937667
Commit-Queue: Owen Min <zmin@chromium.org>
Reviewed-by: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#719461}

chrome/browser/apps/guest_view/web_view_browsertest.cc

@@ -3155,7 +3155,16 @@ IN_PROC_BROWSER_TEST_F(WebViewTest, Dialog_TestConfirmDialogDefaultCancel) {
              NO_TEST_SERVER);
 }
 
-IN_PROC_BROWSER_TEST_F(WebViewTest, Dialog_TestConfirmDialogDefaultGCCancel) {
+// Disable due to runloop time out. https://crbug.com/937461
+#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
+#define MAYBE_Dialog_TestConfirmDialogDefaultGCCancel \
+  DISABLED_Dialog_TestConfirmDialogDefaultGCCancel
+#else
+#define MAYBE_Dialog_TestConfirmDialogDefaultGCCancel \
+  Dialog_TestConfirmDialogDefaultGCCancel
+#endif
+IN_PROC_BROWSER_TEST_F(WebViewTest,
+                       MAYBE_Dialog_TestConfirmDialogDefaultGCCancel) {
   TestHelper("testConfirmDialogDefaultGCCancel",
              "web_view/dialog",
              NO_TEST_SERVER);

extensions/browser/guest_view/web_view/web_view_apitest.cc

@@ -525,16 +525,10 @@ IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestDialogConfirmDefaultCancel) {
   RunTest("testDialogConfirmDefaultCancel", "web_view/dialog");
 }
 
-// This test is flaky and times out on windows.
+// This test is flaky and times out on all platforms.
 // https://crbug.com/937461.
-#if defined(OS_WIN)
-#define MAYBE_TestDialogConfirmDefaultGCCancel \
-  DISABLED_TestDialogConfirmDefaultGCCancel
-#else
-#define MAYBE_TestDialogConfirmDefaultGCCancel TestDialogConfirmDefaultGCCancel
-#endif
-
-IN_PROC_BROWSER_TEST_F(WebViewAPITest, MAYBE_TestDialogConfirmDefaultGCCancel) {
+IN_PROC_BROWSER_TEST_F(WebViewAPITest,
+                       DISABLED_TestDialogConfirmDefaultGCCancel) {
   RunTest("testDialogConfirmDefaultGCCancel", "web_view/dialog");
 }