Recreate MediaPermissionDispatcher's service connection on navigation

content/renderer/render_frame_impl.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 3902 matching lines @@
     }
   }
 
   for (auto& observer : render_view_->observers_)
     observer.DidCommitProvisionalLoad(frame_, is_new_navigation);
   for (auto& observer : observers_) {
     observer.DidCommitProvisionalLoad(
         is_new_navigation, navigation_state->WasWithinSameDocument());
   }
 
+  // Notify the MediaPermissionDispatcher that its connection will be closed
+  // due to a navigation to a different document.
+  if (media_permission_dispatcher_ &&
+      !navigation_state->WasWithinSameDocument()) {
+    media_permission_dispatcher_->OnNavigation();
+  }
+
   if (!frame_->Parent()) {  // Only for top frames.
     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
     if (render_thread_impl) {  // Can be NULL in tests.
       render_thread_impl->histogram_customizer()->
           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
                                     RenderView::GetRenderViewCount());
       // The scheduler isn't interested in history inert commits unless they
       // are reloads.
       if (commit_type != blink::kWebHistoryInertCommit ||
           PageTransitionCoreTypeIs(navigation_state->GetTransitionType(),
@@ skipping 3246 matching lines @@
       policy(info.default_policy),
       replaces_current_history_item(info.replaces_current_history_item),
       history_navigation_in_new_child_frame(
           info.is_history_navigation_in_new_child_frame),
       client_redirect(info.is_client_redirect),
       cache_disabled(info.is_cache_disabled),
       form(info.form),
       source_location(info.source_location) {}
 
 }  // namespace content