Removes the references to shared workers from the all documents in being deleted frames

content/browser/shared_worker/worker_document_set.cc

 // Copyright 2014 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/browser/shared_worker/worker_document_set.h"
 
 #include "base/logging.h"
 
 namespace content {
 
@@ skipping 46 matching lines @@
     // bump the iterator beyond the item being removed before calling erase.
     if (i->filter() == parent) {
       DocumentInfoSet::iterator item_to_delete = i++;
       document_set_.erase(item_to_delete);
     } else {
       ++i;
     }
   }
 }
 
+void WorkerDocumentSet::RemoveRenderFrame(int render_process_id,
+                                          int render_frame_id) {
+  for (DocumentInfoSet::iterator i = document_set_.begin();
+       i != document_set_.end();) {
+    // Note this idiom is somewhat tricky - calling document_set_.erase(iter)
+    // invalidates any iterators that point to the element being removed, so
+    // bump the iterator beyond the item being removed before calling erase.
+    if (i->render_process_id() == render_process_id &&
+        i->render_frame_id() == render_frame_id) {
+      DocumentInfoSet::iterator item_to_delete = i++;
+      document_set_.erase(item_to_delete);

[no sievers, 2016/08/24 23:44:37]

same as: document_set_.erase(i++) 

[horo, 2016/08/25 00:03:29]

Done.

+    } else {
+      ++i;
+    }
+  }
+}
+
 WorkerDocumentSet::DocumentInfo::DocumentInfo(
     BrowserMessageFilter* filter, unsigned long long document_id,
     int render_process_id, int render_frame_id)
     : filter_(filter),
       document_id_(document_id),
       render_process_id_(render_process_id),
       render_frame_id_(render_frame_id) {
 }
 
 WorkerDocumentSet::~WorkerDocumentSet() {
 }
 
 }  // namespace content