Disable DevToolsSanityTest.TestToolboxLoadedUndocked on Linux

chrome/browser/devtools/devtools_sanity_browsertest.cc

 // Copyright (c) 2012 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 <stddef.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/cancelable_callback.h"
@@ skipping 1233 matching lines @@
       std::string("window.location = \"") + url.spec() + "\""));
   observer.Wait();
 
   ASSERT_TRUE(main_web_contents()->GetURL().
                   SchemeIs(content::kChromeDevToolsScheme));
   ASSERT_EQ(url, GetInspectedTab()->GetURL());
   CloseDevToolsWindow();
 }
 
 // Tests that toolbox window is loaded when DevTools window is undocked.
-IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestToolboxLoadedUndocked) {
+// Crashes on Linux only.  https://crbug.com/702641
+#if defined(OS_LINUX)
+#define MAYBE_TestToolboxLoadedUndocked DISABLED_TestToolboxLoadedUndocked
+#else
+#define MAYBE_TestToolboxLoadedUndocked TestToolboxLoadedUndocked
+#endif
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, MAYBE_TestToolboxLoadedUndocked) {
   OpenDevToolsWindow(kDebuggerTestPage, false);
   ASSERT_TRUE(toolbox_web_contents());
   DevToolsWindow* on_self =
       DevToolsWindowTesting::OpenDevToolsWindowSync(main_web_contents(), false);
   ASSERT_FALSE(DevToolsWindowTesting::Get(on_self)->toolbox_web_contents());
   DevToolsWindowTesting::CloseDevToolsWindowSync(on_self);
   CloseDevToolsWindow();
 }
 
 // Tests that toolbox window is not loaded when DevTools window is docked.
@@ skipping 323 matching lines @@
   RunTestFunction(window, "testWindowInitializedOnNavigateBack");
 
   DevToolsWindowTesting::CloseDevToolsWindowSync(window);
   content::WebUIControllerFactory::UnregisterFactoryForTesting(&test_factory);
 }
 
 // Tests scripts panel showing.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestDevToolsSharedWorker) {
   RunTest("testDevToolsSharedWorker", url::kAboutBlankURL);
 }