[IndexedDB] Closing mojo connections when renderer quits

content/browser/indexed_db/indexed_db_backing_store.cc

 // Copyright (c) 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/browser/indexed_db/indexed_db_backing_store.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/files/file_path.h"
@@ skipping 3278 matching lines @@
   else
     return ContinuePrevious(key, primary_key, next_state, s) ==
            ContinueResult::DONE;
 }
 
 IndexedDBBackingStore::Cursor::ContinueResult
 IndexedDBBackingStore::Cursor::ContinueNext(const IndexedDBKey* key,
                                             const IndexedDBKey* primary_key,
                                             IteratorState next_state,
                                             Status* s) {
+  IDB_TRACE("IndexedDBBackingStore::Cursor::ContinueNext");

[Reilly Grant (use Gerrit), 2017/03/04 01:26:14]

The changes in this file look unrelated.

[dmurph, 2017/03/09 20:44:15]

Done.

   DCHECK(cursor_options_.forward);
   DCHECK(!key || key->IsValid());
   DCHECK(!primary_key || primary_key->IsValid());
   *s = Status::OK();
 
   // TODO(alecflett): avoid a copy here?
   IndexedDBKey previous_key = current_key_ ? *current_key_ : IndexedDBKey();
 
   // If seeking to a particular key (or key and primary key), skip the cursor
   // forward rather than iterating it.
@@ skipping 48 matching lines @@
   }
 
   return ContinueResult::DONE;
 }
 
 IndexedDBBackingStore::Cursor::ContinueResult
 IndexedDBBackingStore::Cursor::ContinuePrevious(const IndexedDBKey* key,
                                                 const IndexedDBKey* primary_key,
                                                 IteratorState next_state,
                                                 Status* s) {
+  IDB_TRACE("IndexedDBBackingStore::Cursor::ContinuePrevious");
   DCHECK(!cursor_options_.forward);
   DCHECK(!key || key->IsValid());
   DCHECK(!primary_key || primary_key->IsValid());
   *s = Status::OK();
 
   // TODO(alecflett): avoid a copy here?
   IndexedDBKey previous_key = current_key_ ? *current_key_ : IndexedDBKey();
 
   // When iterating with PrevNoDuplicate, spec requires that the value we
   // yield for each key is the *first* duplicate in forwards order. We do this
@@ skipping 1098 matching lines @@
 
 IndexedDBBackingStore::Transaction::WriteDescriptor::WriteDescriptor(
     const WriteDescriptor& other) = default;
 IndexedDBBackingStore::Transaction::WriteDescriptor::~WriteDescriptor() =
     default;
 IndexedDBBackingStore::Transaction::WriteDescriptor&
     IndexedDBBackingStore::Transaction::WriteDescriptor::
     operator=(const WriteDescriptor& other) = default;
 
 }  // namespace content