Remove implicit conversions from scoped_refptr to T* in extensions/

extensions/renderer/api/serial/data_receiver_unittest.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 <queue>
 
 #include "device/serial/data_source_sender.h"
 #include "device/serial/data_stream.mojom.h"
 #include "extensions/renderer/api_test_base.h"
 #include "grit/extensions_renderer_resources.h"
 
 namespace extensions {
 
 // Runs tests defined in extensions/test/data/data_receiver_unittest.js
 class DataReceiverTest : public ApiTestBase {
  public:
   DataReceiverTest() {}
 
   virtual void SetUp() OVERRIDE {
     ApiTestBase::SetUp();
     env()->RegisterModule("async_waiter", IDR_ASYNC_WAITER_JS);
     env()->RegisterModule("data_receiver", IDR_DATA_RECEIVER_JS);
     env()->RegisterModule("device/serial/data_stream.mojom",
                           IDR_DATA_STREAM_MOJOM_JS);
     service_provider()->AddService(base::Bind(
         &DataReceiverTest::CreateDataSource, base::Unretained(this)));
   }
 
   virtual void TearDown() OVERRIDE {
-    if (sender_) {
+    if (sender_.get()) {
       sender_->ShutDown();
       sender_ = NULL;
     }
     ApiTestBase::TearDown();
   }
 
   std::queue<int32_t> error_to_send_;
   std::queue<std::string> data_to_send_;
 
  private:
@@ skipping 61 matching lines @@
   error_to_send_.push(1);
   RunTest("data_receiver_unittest.js", "testReceiveErrorThenData");
 }
 
 TEST_F(DataReceiverTest, SourceShutdown) {
   error_to_send_.push(2);
   RunTest("data_receiver_unittest.js", "testSourceShutdown");
 }
 
 }  // namespace extensions