Remove unneeded scoped_refptr<>::get() on method binding

chrome/browser/extensions/zipfile_installer_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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
@@ skipping 82 matching lines @@
     original_path = original_path.AppendASCII("extensions")
                         .AppendASCII("zipfile_installer")
                         .AppendASCII(zip_name);
     ASSERT_TRUE(base::PathExists(original_path)) << original_path.value();
 
     zipfile_installer_ = ZipFileInstaller::Create(extension_service_);
 
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ZipFileInstaller::LoadFromZipFile,
-                   zipfile_installer_.get(),
+                   zipfile_installer_,
                    original_path));
     observer_.WaitForInstall();
   }
 
  protected:
   scoped_refptr<ZipFileInstaller> zipfile_installer_;
 
   std::unique_ptr<TestingProfile> profile_;
   ExtensionService* extension_service_;
 
@@ skipping 14 matching lines @@
   RunInstaller("good.zip");
 }
 
 TEST_F(ZipFileInstallerTest, ZipWithPublicKey) {
   RunInstaller("public_key.zip");
   const char kIdForPublicKey[] = "ikppjpenhoddphklkpdfdfdabbakkpal";
   EXPECT_EQ(observer_.last_extension_installed, kIdForPublicKey);
 }
 
 }  // namespace extensions