Pass the user_gesture context in the IPC message FrameMsg_CommitNavigation to the renderer.

content/common/navigation_params.h

Index: content/common/navigation_params.h
diff --git a/content/common/navigation_params.h b/content/common/navigation_params.h
index f737d0d90e28eb9e16a79445267f0156b3790b6a..976729c0fc226bd4d719bac17ca2ba6a3f24019d 100644
--- a/content/common/navigation_params.h
+++ b/content/common/navigation_params.h
@@ -235,7 +235,8 @@ struct CONTENT_EXPORT RequestNavigationParams {
                           int current_history_list_offset,
                           int current_history_list_length,
                           bool is_view_source,
-                          bool should_clear_history_list);
+                          bool should_clear_history_list,
+                          bool has_user_gesture);
   RequestNavigationParams(const RequestNavigationParams& other);
   ~RequestNavigationParams();
 
@@ -334,6 +335,9 @@ struct CONTENT_EXPORT RequestNavigationParams {
   // it will always be equal to kInvalidServiceWorkerProviderId.
   int service_worker_provider_id;
 
+  // True if the navigation originated due to a user gesture.
+  bool has_user_gesture;

[jam, 2016/09/29 21:40:43]

now this can be removed from StartNavigationParams?

[ananta, 2016/09/29 22:07:37]

Done.

+
 #if defined(OS_ANDROID)
   // The real content of the data: URL. Only used in Android WebView for
   // implementing LoadDataWithBaseUrl API method to circumvent the restriction