Set user_gesture bit at NavigationHandle creation time.

chrome/browser/extensions/extension_navigation_throttle_unittest.cc

 // Copyright 2016 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 "base/strings/stringprintf.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "components/crx_file/id_util.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/common/content_client.h"
@@ skipping 51 matching lines @@
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
   // Checks that trying to navigate the given |host| to |url| results in the
   // |expected_result|.
   void CheckTestCase(content::RenderFrameHost* host,
                      const GURL& url,
                      NavigationThrottle::ThrottleCheckResult expected_result) {
     std::unique_ptr<content::NavigationHandle> handle =
         content::NavigationHandle::CreateNavigationHandleForTesting(url, host);
-    EXPECT_EQ(expected_result, handle->CallWillStartRequestForTesting(
-                                   false, //not post
-                                   content::Referrer(), false,
-                                   ui::PAGE_TRANSITION_LINK, false))
+    EXPECT_EQ(expected_result,
+              handle->CallWillStartRequestForTesting(
+                  false,  // not post
+                  content::Referrer(), ui::PAGE_TRANSITION_LINK, false))
         << url;
   }
 
   const Extension* extension() { return extension_.get(); }
   content::WebContentsTester* web_contents_tester() {
     return content::WebContentsTester::For(web_contents());
   }
   content::RenderFrameHostTester* render_frame_host_tester(
       content::RenderFrameHost* host) {
     return content::RenderFrameHostTester::For(host);
@@ skipping 99 matching lines @@
 
   std::string second_id = crx_file::id_util::GenerateId("bar");
   ASSERT_NE(second_id, extension()->id());
   GURL invalid_url(base::StringPrintf("chrome-extension://%s/accessible.html",
                                       second_id.c_str()));
   // Requests to non-existent extensions should be blocked.
   CheckTestCase(child, invalid_url, NavigationThrottle::BLOCK_REQUEST);
 }
 
 }  // namespace extensions