Enables omnibox_perftest that were failing.

ios/chrome/browser/ui/omnibox_perftest.mm

 // Copyright (c) 2012 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.
 
 #import <UIKit/UIKit.h>
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #import "base/test/ios/wait_util.h"
 #include "base/time/time.h"
 #include "components/toolbar/test_toolbar_model.h"
 #include "ios/chrome/browser/autocomplete/autocomplete_classifier_factory.h"
 #include "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
 #include "ios/chrome/browser/search_engines/template_url_service_factory.h"
 #import "ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.h"
 #include "ios/chrome/browser/ui/toolbar/toolbar_model_delegate_ios.h"
 #include "ios/chrome/browser/ui/toolbar/toolbar_model_impl_ios.h"
 #import "ios/chrome/browser/ui/toolbar/web_toolbar_controller.h"
 #include "ios/chrome/browser/web_state_list/fake_web_state_list_delegate.h"
 #include "ios/chrome/browser/web_state_list/web_state_list.h"
 #include "ios/chrome/test/base/perf_test_ios.h"
+#include "ios/web/public/test/fakes/test_navigation_manager.h"
 #include "ios/web/public/test/fakes/test_web_state.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "ui/base/test/ios/keyboard_appearance_listener.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
@@ skipping 40 matching lines @@
     // Create a real window to host the Toolbar.
     CGRect screenBounds = [[UIScreen mainScreen] bounds];
     window_ = [[UIWindow alloc] initWithFrame:screenBounds];
     [window_ makeKeyAndVisible];
 
     // Create a WebStateList that will always return the test WebState as
     // the active WebState.
     web_state_list_ = base::MakeUnique<WebStateList>(&web_state_list_delegate_);
     std::unique_ptr<web::TestWebState> web_state =
         base::MakeUnique<web::TestWebState>();
+    std::unique_ptr<web::TestNavigationManager> navigation_manager =
+        base::MakeUnique<web::TestNavigationManager>();
+    web_state->SetNavigationManager(std::move(navigation_manager));
     web_state_list_->InsertWebState(0, std::move(web_state));
 
     // Creates the Toolbar for testing and sizes it to the width of the screen.
     toolbar_model_delegate_.reset(
         new ToolbarModelDelegateIOS(web_state_list_.get()));
     toolbar_model_ios_.reset(
         new ToolbarModelImplIOS(toolbar_model_delegate_.get()));
 
     // The OCMOCK_VALUE macro doesn't like std::unique_ptr, but it works just
     // fine if a temporary variable is used.
     ToolbarModelIOS* model_for_mock = toolbar_model_ios_.get();
+    web::WebState* web_state_for_mock = web_state_list_->GetWebStateAt(0);
     id webToolbarDelegate =
         [OCMockObject niceMockForProtocol:@protocol(WebToolbarDelegate)];
     [[[webToolbarDelegate stub] andReturnValue:OCMOCK_VALUE(model_for_mock)]
         toolbarModelIOS];
+    [[[webToolbarDelegate stub] andReturnValue:OCMOCK_VALUE(web_state_for_mock)]
+        currentWebState];
     id urlLoader = [OCMockObject niceMockForProtocol:@protocol(UrlLoader)];
     toolbar_ = [[WebToolbarController alloc]
         initWithDelegate:webToolbarDelegate
                urlLoader:urlLoader
             browserState:chrome_browser_state_.get()
          preloadProvider:nil];
     UIView* toolbarView = [toolbar_ view];
     CGRect toolbarFrame = toolbarView.frame;
     toolbarFrame.origin = CGPointZero;
     toolbarFrame.size.width = screenBounds.size.width;
@@ skipping 118 matching lines @@
                   ^base::TimeDelta(int index) {
                     return EnableKeyboard(textField);
                   },
                   ^() {
                     DisableKeyboard(textField);
                   });
 }
 
 // Measures the amount of time it takes to type in the first character
 // into the Omnibox.
-// TODO(crbug.com/717309): Test disabled because of nullptr dereferencing.
-TEST_F(OmniboxPerfTest, DISABLED_TestTypeOneCharInTextField) {
+TEST_F(OmniboxPerfTest, TestTypeOneCharInTextField) {
   OmniboxTextFieldIOS* textField = (OmniboxTextFieldIOS*)FindViewByClass(
       [toolbar_ view], [OmniboxTextFieldIOS class]);
   RepeatTimedRuns("Type first character",
                   ^base::TimeDelta(int index) {
                     EnableKeyboard(textField);
                     return TimeInsertText(textField, @"G");
                   },
                   ^() {
                     [textField setText:@""];
                     DisableKeyboard(textField);
                   });
 }
 
 // Measures the amount of time it takes to type in the word "google" one
 // letter at a time.
-// TODO(crbug.com/717309): Test disabled because of nullptr dereferencing.
-TEST_F(OmniboxPerfTest, DISABLED_TestTypingInTextField) {
+TEST_F(OmniboxPerfTest, TestTypingInTextField) {
   OmniboxTextFieldIOS* textField = (OmniboxTextFieldIOS*)FindViewByClass(
       [toolbar_ view], [OmniboxTextFieldIOS class]);
   // The characters to type into the omnibox text field.
   NSArray* inputCharacters =
       [NSArray arrayWithObjects:@"g", @"o", @"o", @"g", @"l", @"e", nil];
   RepeatTimedRuns(
       "Typing",
       ^base::TimeDelta(int index) {
         EnableKeyboard(textField);
         NSMutableString* logMessage = [NSMutableString string];
         base::TimeDelta elapsed;
         for (NSString* input in inputCharacters) {
           base::TimeDelta inputElapsed = TimeInsertText(textField, input);
           [logMessage appendFormat:@"%@'%@':%.0f",
                                    [logMessage length] ? @" " : @"", input,
                                    inputElapsed.InMillisecondsF()];
           elapsed += inputElapsed;
         }
         NSLog(@"%2d: %@", index, logMessage);
         return elapsed;
       },
       ^() {
         [textField setText:@""];
         DisableKeyboard(textField);
       });
 }
 }