Convert //ios from scoped_ptr to std::unique_ptr.

ios/web/net/web_http_protocol_handler_delegate_unittest.mm

 // 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 "ios/web/net/web_http_protocol_handler_delegate.h"
 
 #import <Foundation/Foundation.h>
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "ios/web/public/test/scoped_testing_web_client.h"
 #include "ios/web/public/web_client.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 
 namespace web {
 
@@ skipping 22 matching lines @@
     return url.SchemeIs(kAppSpecificScheme);
   }
 };
 
 class WebHTTPProtocolHandlerDelegateTest : public testing::Test {
  public:
   WebHTTPProtocolHandlerDelegateTest()
       : context_getter_(new net::TestURLRequestContextGetter(
             base::ThreadTaskRunnerHandle::Get())),
         delegate_(new WebHTTPProtocolHandlerDelegate(context_getter_.get())),
-        web_client_(make_scoped_ptr(new AppSpecificURLTestWebClient)) {}
+        web_client_(base::WrapUnique(new AppSpecificURLTestWebClient)) {}
 
  protected:
   base::MessageLoop message_loop_;
   scoped_refptr<net::URLRequestContextGetter> context_getter_;
-  scoped_ptr<WebHTTPProtocolHandlerDelegate> delegate_;
+  std::unique_ptr<WebHTTPProtocolHandlerDelegate> delegate_;
   web::ScopedTestingWebClient web_client_;
 };
 
 }  // namespace
 
 TEST_F(WebHTTPProtocolHandlerDelegateTest, IsRequestSupported) {
   base::scoped_nsobject<NSMutableURLRequest> request;
 
   for (unsigned int i = 0; i < arraysize(kSupportedURLs); ++i) {
     base::scoped_nsobject<NSString> url_string(
@@ skipping 80 matching lines @@
   // Empty dictionary so User-Agent check fails.
   NSDictionary* headers = @{};
   NSURL* url = [NSURL URLWithString:@"file:///steal/this/file.html"];
   id mock_request = [OCMockObject mockForClass:[NSURLRequest class]];
   [[[mock_request stub] andReturn:headers] allHTTPHeaderFields];
   [[[mock_request stub] andReturn:url] URL];
   EXPECT_FALSE(IsStaticFileRequest(mock_request));
 }
 
 }  // namespace web