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

ios/web/web_state/web_state_impl_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/web_state/web_state_impl.h"
+
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "ios/web/public/load_committed_details.h"
 #include "ios/web/public/test/test_browser_state.h"
 #include "ios/web/public/web_state/global_web_state_observer.h"
 #include "ios/web/public/web_state/web_state_observer.h"
 #include "ios/web/public/web_state/web_state_policy_decider.h"
 #include "ios/web/web_state/global_web_state_event_tracker.h"
-#include "ios/web/web_state/web_state_impl.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 #include "url/gurl.h"
 
 using testing::_;
 using testing::Assign;
@@ skipping 195 matching lines @@
 }
 
 class WebStateTest : public PlatformTest {
  protected:
   void SetUp() override {
     web_state_.reset(new WebStateImpl(&browser_state_));
     web_state_->SetWebController(nil);
   }
 
   web::TestBrowserState browser_state_;
-  scoped_ptr<WebStateImpl> web_state_;
+  std::unique_ptr<WebStateImpl> web_state_;
 };
 
 TEST_F(WebStateTest, ResponseHeaders) {
   GURL real_url("http://foo.com/bar");
   GURL frame_url("http://frames-r-us.com/");
   scoped_refptr<net::HttpResponseHeaders> real_headers(HeadersFromString(
       "HTTP/1.1 200 OK\r\n"
       "Content-Type: text/html\r\n"
       "Content-Language: en\r\n"
       "X-Should-Be-Here: yep\r\n"
@@ skipping 42 matching lines @@
 
   // ... but not after loading another page, nor should there be specific
   // parsed values.
   web_state_->OnNavigationCommitted(GURL("http://elsewhere.com/"));
   EXPECT_EQ(NULL, web_state_->GetHttpResponseHeaders());
   EXPECT_EQ("", web_state_->GetContentsMimeType());
   EXPECT_EQ("", web_state_->GetContentLanguageHeader());
 }
 
 TEST_F(WebStateTest, ObserverTest) {
-  scoped_ptr<TestWebStateObserver> observer(
+  std::unique_ptr<TestWebStateObserver> observer(
       new TestWebStateObserver(web_state_.get()));
   EXPECT_EQ(web_state_.get(), observer->web_state());
 
   // Test that ProvisionalNavigationStarted() is called.
   EXPECT_FALSE(observer->provisional_navigation_started_called());
   web_state_->OnProvisionalNavigationStarted(GURL("http://test"));
   EXPECT_TRUE(observer->provisional_navigation_started_called());
 
   // Test that NavigationItemsPruned() is called.
   EXPECT_FALSE(observer->navigation_items_pruned_called());
@@ skipping 31 matching lines @@
   // Test that WebStateDestroyed() is called.
   EXPECT_FALSE(observer->web_state_destroyed_called());
   web_state_.reset();
   EXPECT_TRUE(observer->web_state_destroyed_called());
 
   EXPECT_EQ(nullptr, observer->web_state());
 }
 
 // Verifies that GlobalWebStateObservers are called when expected.
 TEST_F(WebStateTest, GlobalObserverTest) {
-  scoped_ptr<TestGlobalWebStateObserver> observer(
+  std::unique_ptr<TestGlobalWebStateObserver> observer(
       new TestGlobalWebStateObserver());
 
   // Test that NavigationItemsPruned() is called.
   EXPECT_FALSE(observer->navigation_items_pruned_called());
   web_state_->OnNavigationItemsPruned(1);
   EXPECT_TRUE(observer->navigation_items_pruned_called());
 
   // Test that NavigationItemChanged() is called.
   EXPECT_FALSE(observer->navigation_item_changed_called());
   web_state_->OnNavigationItemChanged();
@@ skipping 134 matching lines @@
   EXPECT_FALSE(
       web_state_->OnScriptCommandReceived(kCommand2, value_2, kUrl2, false));
   EXPECT_FALSE(is_called_1);
   EXPECT_TRUE(is_called_2);
 
   web_state_->RemoveScriptCommandCallback(kPrefix2);
 }
 
 }  // namespace
 }  // namespace web