Remove auto raw pointer deduction from non-linux specific code.

chrome/browser/chromeos/extensions/public_session_permission_helper_unittest.cc

 // Copyright 2017 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 "chrome/browser/chromeos/extensions/public_session_permission_helper.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 124 matching lines @@
 PublicSessionPermissionHelperTest::ReturnPrompt(
     std::unique_ptr<ExtensionInstallPrompt> prompt,
     WebContents* web_contents) {
   return prompt;
 }
 
 base::WeakPtr<ProgrammableInstallPrompt>
 PublicSessionPermissionHelperTest::CallHandlePermissionRequest(
     const scoped_refptr<Extension>& extension,
     const PermissionIDSet& permissions) {
-  auto prompt = new ProgrammableInstallPrompt(web_contents());
+  auto* prompt = new ProgrammableInstallPrompt(web_contents());
   auto prompt_weak_ptr = prompt->AsWeakPtr();
   auto factory_callback = base::Bind(
       &PublicSessionPermissionHelperTest::ReturnPrompt, base::Unretained(this),
       base::Passed(base::WrapUnique<ExtensionInstallPrompt>(prompt)));
   HandlePermissionRequest(
       *extension.get(), permissions, web_contents(),
       base::Bind(&PublicSessionPermissionHelperTest::RequestResolved,
                  base::Unretained(this)),
       factory_callback);
   // In case all permissions were already prompted, ReturnPrompt isn't called
@@ skipping 90 matching lines @@
   EXPECT_TRUE(prompt2);
   EXPECT_TRUE(get_did_show_dialog_and_reset());
   prompt1->Resolve(Result::USER_CANCELED);
   EXPECT_TRUE(allowed_permissions_.at(0).Equals({}));
   prompt2->Resolve(Result::ACCEPTED);
   EXPECT_TRUE(allowed_permissions_.at(1).Equals({permission_b}));
 }
 
 }  // namespace permission_helper
 }  // namespace extensions