Disable flaky tests that are going to be broken by data URL deprecation

chrome/browser/apps/guest_view/web_view_browsertest.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 <queue>
 #include <set>
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 1420 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestExecuteScriptFail) {
   TestHelper("testExecuteScriptFail", "web_view/shim", NEEDS_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestExecuteScript) {
   TestHelper("testExecuteScript", "web_view/shim", NO_TEST_SERVER);
 }
 
-// Flaky on Linux. See https://crbug.com/703727.
-#if defined(OS_LINUX)
-#define MAYBE_Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged \
-  DISABLED_Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged
-#else
-#define MAYBE_Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged \
-  Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged
-#endif
+// Flaky and likely not testing the right assertion. https://crbug.com/703727
 IN_PROC_BROWSER_TEST_P(
     WebViewTest,
-    MAYBE_Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged) {
+    DISABLED_Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsChanged) {
   TestHelper("testExecuteScriptIsAbortedWhenWebViewSourceIsChanged",
              "web_view/shim",
              NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(
     WebViewTest,
     Shim_TestExecuteScriptIsAbortedWhenWebViewSourceIsInvalid) {
   TestHelper("testExecuteScriptIsAbortedWhenWebViewSourceIsInvalid",
              "web_view/shim",
@@ skipping 2546 matching lines @@
                        ClosingChromeSignInShouldNotCrash) {
   GURL signin_url{"chrome://chrome-signin"};
 
   AddTabAtIndex(0, signin_url, ui::PAGE_TRANSITION_TYPED);
   AddTabAtIndex(1, signin_url, ui::PAGE_TRANSITION_TYPED);
   WaitForWebViewInDom();
 
   chrome::CloseTab(browser());
 }
 #endif