Add Page.stopLoading to devtools and --timeout switch to headless_shell

content/browser/devtools/protocol/devtools_protocol_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 <stddef.h>
 #include <utility>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 995 matching lines @@
     }
     num_to_wait_for_ = 0;
   }
 
  private:
   int num_finished_;
   int num_to_wait_for_;
 };
 }  // namespace
 
+IN_PROC_BROWSER_TEST_F(DevToolsProtocolTest, PageStopLoading) {
+  ASSERT_TRUE(embedded_test_server()->Start());
+
+  // Navigate to about:blank first so we can make sure there is a target page we
+  // can attach to, and have Page.setControlNavigations complete before we start
+  // the navigations we're interested in.
+  NavigateToURLBlockUntilNavigationsComplete(shell(), GURL("about:blank"), 1);
+  Attach();
+
+  std::unique_ptr<base::DictionaryValue> params(new base::DictionaryValue());
+  params->SetBoolean("enabled", true);
+  SendCommand("Page.setControlNavigations", std::move(params), true);
+
+  NavigationFinishedObserver navigation_finished_observer(
+      shell()->web_contents());
+
+  // The page will try to navigate twice, however since
+  // Page.setControlNavigations is true, it'll wait for confirmation before
+  // committing to the navigation.
+  GURL test_url = embedded_test_server()->GetURL(
+      "/devtools/control_navigations/meta_tag.html");
+  shell()->LoadURL(test_url);
+
+  // Stop all navigations.
+  SendCommand("Page.stopLoading", nullptr);
+
+  // Wait for the initial navigation to finish.
+  navigation_finished_observer.WaitForNavigationsToFinish(1);
+}
+
 IN_PROC_BROWSER_TEST_F(DevToolsProtocolTest, ControlNavigationsMainFrame) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   // Navigate to about:blank first so we can make sure there is a target page we
   // can attach to, and have Page.setControlNavigations complete before we start
   // the navigations we're interested in.
   NavigateToURLBlockUntilNavigationsComplete(shell(), GURL("about:blank"), 1);
   Attach();
 
   std::unique_ptr<base::DictionaryValue> params(new base::DictionaryValue());
@@ skipping 369 matching lines @@
   command_params.reset(new base::DictionaryValue());
   command_params->SetBoolean("autoAttach", false);
   command_params->SetBoolean("waitForDebuggerOnStart", false);
   SendCommand("Target.setAutoAttach", std::move(command_params), false);
   params = WaitForNotification("Target.detachedFromTarget", true);
   EXPECT_TRUE(params->GetString("targetId", &temp));
   EXPECT_EQ(target_id, temp);
 }
 
 }  // namespace content