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

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index a8f1beca36a81fe08fa25bc6b0e81e48ac219da3..89be3d1791e56b8c13ad251ed5972eabb8691dfe 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -1438,17 +1438,10 @@ 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);