Revert of Set user_gesture bit at NavigationHandle creation time.

content/public/browser/navigation_handle.h

Index: content/public/browser/navigation_handle.h
diff --git a/content/public/browser/navigation_handle.h b/content/public/browser/navigation_handle.h
index f052eed435d3136f247798baa08b034d54353f19..96dddc5624480a94045937de247eedbc4eea8a5d 100644
--- a/content/public/browser/navigation_handle.h
+++ b/content/public/browser/navigation_handle.h
@@ -207,8 +207,7 @@ class CONTENT_EXPORT NavigationHandle {
       const GURL& url,
       RenderFrameHost* render_frame_host,
       bool committed = false,
-      net::Error error = net::OK,
-      bool has_user_gesture = false);
+      net::Error error = net::OK);
 
   // Registers a NavigationThrottle for tests. The throttle can
   // modify the request, pause the request or cancel the request. This will
@@ -224,6 +223,7 @@ class CONTENT_EXPORT NavigationHandle {
   virtual NavigationThrottle::ThrottleCheckResult
   CallWillStartRequestForTesting(bool is_post,
                                  const Referrer& sanitized_referrer,
+                                 bool has_user_gesture,
                                  ui::PageTransition transition,
                                  bool is_external_protocol) = 0;