IPC: Delete thread-safe send support

content/child/indexed_db/webidbcursor_impl_unittest.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/child/indexed_db/webidbcursor_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 106 matching lines @@
       *web_blob_info_ = value.webBlobInfo;
   }
 
  private:
   IndexedDBKey* key_;
   WebVector<WebBlobInfo>* web_blob_info_;
 };
 
 class MockSyncMessageFilter : public IPC::SyncMessageFilter {
  public:
-  MockSyncMessageFilter()
-      : SyncMessageFilter(nullptr, false /* is_channel_send_thread_safe */) {}
+  MockSyncMessageFilter() : SyncMessageFilter(nullptr) {}
 
  private:
   ~MockSyncMessageFilter() override {}
 };
 
 }  // namespace
 
 class WebIDBCursorImplTest : public testing::Test {
  public:
   WebIDBCursorImplTest() {
@@ skipping 192 matching lines @@
   // The real dispatcher would call cursor->CachedContinue(), so do that:
   MockContinueCallbacks callbacks;
   cursor.CachedContinue(&callbacks);
 
   // Now the cursor should have reset the rest of the cache.
   EXPECT_EQ(1, dispatcher_->reset_calls());
   EXPECT_EQ(1, dispatcher_->last_used_count());
 }
 
 }  // namespace content