make NavigationGesture part of public content API and use it outside content

components/navigation_interception/navigation_params.h

Index: components/navigation_interception/navigation_params.h
diff --git a/components/navigation_interception/navigation_params.h b/components/navigation_interception/navigation_params.h
index 3417816590e2fb4fcf7b78e83f1c776fdf086b5c..c9ba4b303e76f0ca126a210672082616de4772f5 100644
--- a/components/navigation_interception/navigation_params.h
+++ b/components/navigation_interception/navigation_params.h
@@ -5,6 +5,7 @@
 #ifndef COMPONENTS_NAVIGATION_INTERCEPTION_NAVIGATION_PARAMS_H_
 #define COMPONENTS_NAVIGATION_INTERCEPTION_NAVIGATION_PARAMS_H_
 
+#include "content/public/common/navigation_gesture.h"
 #include "content/public/common/referrer.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/page_transition_types.h"
@@ -16,7 +17,7 @@ class NavigationParams {
  public:
   NavigationParams(const GURL& url,
                    const content::Referrer& referrer,
-                   bool has_user_gesture,
+                   content::NavigationGesture gesture,
                    bool is_post,
                    ui::PageTransition page_transition_type,
                    bool is_redirect,
@@ -28,7 +29,7 @@ class NavigationParams {
   const GURL& url() const { return url_; }
   GURL& url() { return url_; }
   const content::Referrer& referrer() const { return referrer_; }
-  bool has_user_gesture() const { return has_user_gesture_; }
+  content::NavigationGesture gesture() const { return gesture_; }
   bool is_post() const { return is_post_; }
   ui::PageTransition transition_type() const { return transition_type_; }
   bool is_redirect() const { return is_redirect_; }
@@ -40,7 +41,7 @@ class NavigationParams {
 
   GURL url_;
   content::Referrer referrer_;
-  bool has_user_gesture_;
+  content::NavigationGesture gesture_;
   bool is_post_;
   ui::PageTransition transition_type_;
   bool is_redirect_;