Let IPC::SyncMessageFilter take advantage of thread-safe Send.

content/child/indexed_db/indexed_db_dispatcher_unittest.cc

Index: content/child/indexed_db/indexed_db_dispatcher_unittest.cc
diff --git a/content/child/indexed_db/indexed_db_dispatcher_unittest.cc b/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
index 7e146e7b00b46bf37464f241f493bd99346f3510..b3690a402f92b91d3ce8408092506ee4ccbd9964 100644
--- a/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
+++ b/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
@@ -12,7 +12,7 @@
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
-#include "ipc/ipc_sync_message_filter.h"
+#include "content/test/test_thread_safe_sender.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebBlobInfo.h"
 #include "third_party/WebKit/public/platform/WebData.h"
@@ -65,17 +65,13 @@ class MockDispatcher : public IndexedDBDispatcher {
 class IndexedDBDispatcherTest : public testing::Test {
  public:
   IndexedDBDispatcherTest()
-      : task_runner_(base::ThreadTaskRunnerHandle::Get()),
-        sync_message_filter_(new IPC::SyncMessageFilter(NULL)),
-        thread_safe_sender_(new ThreadSafeSender(task_runner_.get(),
-                                                 sync_message_filter_.get())) {}
+      : thread_safe_sender_(TestThreadSafeSender::Create(
+            base::ThreadTaskRunnerHandle::Get())) {}
 
   void TearDown() override { blink::WebHeap::collectAllGarbageForTesting(); }
 
  protected:
   base::MessageLoop message_loop_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
  private: