Send an webNavigation event for navigations triggered by window.history

chrome/browser/extensions/api/web_navigation/web_navigation_api.cc

 // Copyright (c) 2012 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.
 
 // Implements the Chrome Extensions WebNavigation API.
 
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
@@ skipping 641 matching lines @@
     int64 frame_id,
     bool is_main_frame,
     const GURL& url,
     content::PageTransition transition_type,
     content::RenderViewHost* render_view_host) {
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
 
   bool is_reference_fragment_navigation =
       IsReferenceFragmentNavigation(frame_id, url);
+  bool is_history_navigation =
+      navigation_state_.GetNavigationCommitted(frame_id);
 
   // Update the URL as it might have changed.
   navigation_state_.UpdateFrame(frame_id, url);
   navigation_state_.SetNavigationCommitted(frame_id);
 
   if (is_reference_fragment_navigation) {
     DispatchOnCommitted(
         keys::kOnReferenceFragmentUpdated,
         web_contents(),
         frame_id,
         is_main_frame,
         url,
         transition_type);
     navigation_state_.SetNavigationCompleted(frame_id);
+  } else if (is_history_navigation) {
+    // Make the transition type match the one for reference fragment updates.
+    transition_type = static_cast<content::PageTransition>(
+        transition_type | content::PAGE_TRANSITION_CLIENT_REDIRECT);
+    DispatchOnCommitted(
+        keys::kOnHistoryStateUpdated,
+        web_contents(),
+        frame_id,
+        is_main_frame,
+        url,
+        transition_type);
+    navigation_state_.SetNavigationCompleted(frame_id);
   } else {
     if (navigation_state_.GetIsServerRedirected(frame_id)) {
       transition_type = static_cast<content::PageTransition>(
           transition_type | content::PAGE_TRANSITION_SERVER_REDIRECT);
     }
     DispatchOnCommitted(
         keys::kOnCommitted,
         web_contents(),
         frame_id,
         is_main_frame,
@@ skipping 183 matching lines @@
     frame->frame_id = GetFrameId(navigation_state.IsMainFrame(frame_id),
                                  frame_id);
     frame->error_occurred = navigation_state.GetErrorOccurredInFrame(frame_id);
     result_list.push_back(frame);
   }
   SetResult(GetAllFrames::Result::Create(result_list));
   return true;
 }
 
 }  // namespace extensions