Allow temporary file system for incognito DevTools.

chrome/browser/devtools/devtools_sanity_browsertest.cc

Index: chrome/browser/devtools/devtools_sanity_browsertest.cc
diff --git a/chrome/browser/devtools/devtools_sanity_browsertest.cc b/chrome/browser/devtools/devtools_sanity_browsertest.cc
index 08c56d85cc2627e6284e53077f738adae4244259..85e582c5b23b4ed40898cf3842146e9047024f60 100644
--- a/chrome/browser/devtools/devtools_sanity_browsertest.cc
+++ b/chrome/browser/devtools/devtools_sanity_browsertest.cc
@@ -1122,6 +1122,22 @@ IN_PROC_BROWSER_TEST_F(DevToolsSanityTest,
   RunTest("testPauseWhenScriptIsRunning", kPauseWhenScriptIsRunning);
 }
 
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestTempFileIncognito) {
+  GURL url("about:blank");
+  ui_test_utils::BrowserAddedObserver window_observer;
+  chrome::NewEmptyWindow(browser()->profile()->GetOffTheRecordProfile());
+  Browser* new_browser = window_observer.WaitForSingleNewBrowser();
+  ui_test_utils::NavigateToURL(new_browser, url);
+  DevToolsWindow* window = DevToolsWindowTesting::OpenDevToolsWindowSync(
+      new_browser->tab_strip_model()->GetWebContentsAt(0), false);
+  RunTestFunction(window, "testTempFile");
+  DevToolsWindowTesting::CloseDevToolsWindowSync(window);
+}
+
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestTempFile) {
+  RunTest("testTempFile", kDebuggerTestPage);
+}
+
 // Tests network timing.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestNetworkTiming) {
   RunTest("testNetworkTiming", kSlowTestPage);