Prevent in-page navigations from stopping the app banner pipeline.

chrome/browser/banners/app_banner_manager.cc

Index: chrome/browser/banners/app_banner_manager.cc
diff --git a/chrome/browser/banners/app_banner_manager.cc b/chrome/browser/banners/app_banner_manager.cc
index 9f98619aff3b33e811638b528b6e92750cd20d52..9f611fb4628a4ca9ae6d254336f1174718f47cf7 100644
--- a/chrome/browser/banners/app_banner_manager.cc
+++ b/chrome/browser/banners/app_banner_manager.cc
@@ -357,7 +357,7 @@ void AppBannerManager::SendBannerPromptRequest() {
 }
 
 void AppBannerManager::DidStartNavigation(content::NavigationHandle* handle) {
-  if (!handle->IsInMainFrame())
+  if (!handle->IsInMainFrame() || handle->IsSamePage())
     return;
 
   load_finished_ = false;
@@ -372,7 +372,8 @@ void AppBannerManager::DidStartNavigation(content::NavigationHandle* handle) {
 }
 
 void AppBannerManager::DidFinishNavigation(content::NavigationHandle* handle) {
-  if (handle->IsInMainFrame() && handle->HasCommitted()) {
+  if (handle->IsInMainFrame() && handle->HasCommitted() &&
+      !handle->IsSamePage()) {
     last_transition_type_ = handle->GetPageTransition();
     active_media_players_.clear();
     if (is_active_)