[MF] Stop children when resetting the coordinator

Fixes stop and start.
Resetting now will stop the children.
Updates tests to also verify the children are reset.

Bug: 1007257, 1007928
Change-Id: I19f24fbf8d0bf3f5e761d394e1a357544bd9752f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1821905
Commit-Queue: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Reviewed-by: Stepan Khapugin <stkhapugin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#700339}

ios/chrome/browser/ui/autofill/form_input_accessory/form_input_accessory_coordinator.mm

@@ -74,40 +74,46 @@
                               browserState:browserState];
   if (self) {
     _webStateList = webStateList;
-
     _injectionHandler = injectionHandler;
-
-    _formInputAccessoryViewController =
-        [[FormInputAccessoryViewController alloc]
-            initWithManualFillAccessoryViewControllerDelegate:self];
-
-    auto passwordStore = IOSChromePasswordStoreFactory::GetForBrowserState(
-        browserState, ServiceAccessType::EXPLICIT_ACCESS);
-
-    // There is no personal data manager in OTR (incognito). Get the original
-    // one for manual fallback.
-    autofill::PersonalDataManager* personalDataManager =
-        autofill::PersonalDataManagerFactory::GetForBrowserState(
-            browserState->GetOriginalChromeBrowserState());
-
-    _formInputAccessoryMediator = [[FormInputAccessoryMediator alloc]
-           initWithConsumer:self.formInputAccessoryViewController
-                   delegate:self
-               webStateList:webStateList
-        personalDataManager:personalDataManager
-              passwordStore:passwordStore];
     _dispatcher = dispatcher;
   }
   return self;
 }
 
+- (void)start {
+  _formInputAccessoryViewController = [[FormInputAccessoryViewController alloc]
+      initWithManualFillAccessoryViewControllerDelegate:self];
+
+  auto passwordStore = IOSChromePasswordStoreFactory::GetForBrowserState(
+      self.browserState, ServiceAccessType::EXPLICIT_ACCESS);
+
+  // There is no personal data manager in OTR (incognito). Get the original
+  // one for manual fallback.
+  autofill::PersonalDataManager* personalDataManager =
+      autofill::PersonalDataManagerFactory::GetForBrowserState(
+          self.browserState->GetOriginalChromeBrowserState());
+
+  _formInputAccessoryMediator = [[FormInputAccessoryMediator alloc]
+         initWithConsumer:self.formInputAccessoryViewController
+                 delegate:self
+             webStateList:self.webStateList
+      personalDataManager:personalDataManager
+            passwordStore:passwordStore];
+}
+
 - (void)stop {
   [self stopChildren];
+
   [self.formInputAccessoryViewController restoreOriginalKeyboardView];
+  self.formInputAccessoryViewController = nil;
+
   [self.formInputAccessoryMediator disconnect];
+  self.formInputAccessoryMediator = nil;
 }
 
 - (void)reset {
+  [self stopChildren];
+  [self.formInputAccessoryMediator enableSuggestions];
   [self.formInputAccessoryViewController reset];
 }
 
@@ -183,23 +189,19 @@
   // On iOS 13, beta 3, the popover is not dismissed when the keyboard hides.
   // This explicitly dismiss any popover.
   if (base::ios::IsRunningOnIOS13OrLater() && IsIPadIdiom()) {
-    [self stopChildren];
-    [self.formInputAccessoryMediator enableSuggestions];
-    [self.formInputAccessoryViewController reset];
+    [self reset];
   }
 }
 
 - (void)mediatorDidDetectMovingToBackground:
     (FormInputAccessoryMediator*)mediator {
-  [self.formInputAccessoryViewController reset];
+  [self reset];
 }
 
 #pragma mark - ManualFillAccessoryViewControllerDelegate
 
 - (void)keyboardButtonPressed {
-  [self stopChildren];
-  [self.formInputAccessoryMediator enableSuggestions];
-  [self.formInputAccessoryViewController reset];
+  [self reset];
 }
 
 - (void)accountButtonPressed:(UIButton*)sender {
@@ -227,33 +229,32 @@
 
 - (void)fallbackCoordinatorDidDismissPopover:
     (FallbackCoordinator*)fallbackCoordinator {
-  [self.formInputAccessoryMediator enableSuggestions];
-  [self.formInputAccessoryViewController reset];
+  [self reset];
 }
 
 #pragma mark - PasswordCoordinatorDelegate
 
 - (void)openPasswordSettings {
-  [self.formInputAccessoryViewController reset];
+  [self reset];
   [self.navigator openPasswordSettings];
 }
 
 - (void)openAllPasswordsPicker {
-  [self.formInputAccessoryViewController reset];
+  [self reset];
   [self.navigator openAllPasswordsPicker];
 }
 
 #pragma mark - CardCoordinatorDelegate
 
 - (void)openCardSettings {
-  [self.formInputAccessoryViewController reset];
+  [self reset];
   [self.navigator openCreditCardSettings];
 }
 
 #pragma mark - AddressCoordinatorDelegate
 
 - (void)openAddressSettings {
-  [self.formInputAccessoryViewController reset];
+  [self reset];
   [self.navigator openAddressSettings];
 }
 

ios/chrome/browser/ui/autofill/manual_fill/address_view_controller_egtest.mm

@@ -227,9 +227,9 @@ void ClearProfiles(autofill::PersonalDataManager* personalDataManager) {
       assertWithMatcher:grey_sufficientlyVisible()];
 }
 
-// Tests that returning from "Manage Addresses..." leaves the icons in the right
-// state.
-- (void)testAddressesButtonStateAfterPresentingManageAddresses {
+// Tests that returning from "Manage Addresses..." leaves the icons and keyboard
+// in the right state.
+- (void)testAddressesStateAfterPresentingManageAddresses {
   // Bring up the keyboard.
   [[EarlGrey selectElementWithMatcher:chrome_test_util::WebViewMatcher()]
       performAction:chrome_test_util::TapWebElementWithId(kFormElementName)];
@@ -269,6 +269,10 @@ void ClearProfiles(autofill::PersonalDataManager* personalDataManager) {
       assertWithMatcher:grey_userInteractionEnabled()];
   [[EarlGrey selectElementWithMatcher:KeyboardIconMatcher()]
       assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+
+  // Verify the keyboard is not cover by the profiles view.
+  [[EarlGrey selectElementWithMatcher:ProfilesTableViewMatcher()]
+      assertWithMatcher:grey_notVisible()];
 }
 
 // Tests that the Address View Controller is dismissed when tapping the

ios/chrome/browser/ui/autofill/manual_fill/card_view_controller_egtest.mm

@@ -301,9 +301,9 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_sufficientlyVisible()];
 }
 
-// Tests that the manual fallback view icon is not highlighted after presenting
-// the manage credit cards view.
-- (void)testCreditCardsButtonStateAfterPresentingCreditCardSettings {
+// Tests that the manual fallback view and icon is not highlighted after
+// presenting the manage credit cards view.
+- (void)testCreditCardsStateAfterPresentingCreditCardSettings {
   [self saveLocalCreditCard];
 
   // Bring up the keyboard.
@@ -341,6 +341,10 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_userInteractionEnabled()];
   [[EarlGrey selectElementWithMatcher:KeyboardIconMatcher()]
       assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+
+  // Verify the keyboard is not cover by the cards view.
+  [[EarlGrey selectElementWithMatcher:CreditCardTableViewMatcher()]
+      assertWithMatcher:grey_notVisible()];
 }
 
 // Tests that the "Add Credit Cards..." action works.
@@ -445,6 +449,10 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_userInteractionEnabled()];
   [[EarlGrey selectElementWithMatcher:KeyboardIconMatcher()]
       assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+
+  // Verify the keyboard is not cover by the cards view.
+  [[EarlGrey selectElementWithMatcher:CreditCardTableViewMatcher()]
+      assertWithMatcher:grey_notVisible()];
 }
 
 // Tests that the credit card View Controller is dismissed when tapping the

ios/chrome/browser/ui/autofill/manual_fill/password_view_controller_egtest.mm

@@ -329,9 +329,9 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_sufficientlyVisible()];
 }
 
-// Tests that returning from "Manage Passwords..." leaves the icons in the right
-// state.
-- (void)testPasswordsButtonStateAfterPresentingManagePasswords {
+// Tests that returning from "Manage Passwords..." leaves the keyboard and the
+// icons in the right state.
+- (void)testPasswordsStateAfterPresentingManagePasswords {
   // Bring up the keyboard.
   [[EarlGrey selectElementWithMatcher:chrome_test_util::WebViewMatcher()]
       performAction:TapWebElementWithId(kFormElementUsername)];
@@ -363,6 +363,10 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_userInteractionEnabled()];
   [[EarlGrey selectElementWithMatcher:KeyboardIconMatcher()]
       assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+
+  // Verify the keyboard is not cover by the password view.
+  [[EarlGrey selectElementWithMatcher:PasswordTableViewMatcher()]
+      assertWithMatcher:grey_notVisible()];
 }
 
 // Tests that the "Use Other Password..." action works.
@@ -384,9 +388,9 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_sufficientlyVisible()];
 }
 
-// Tests that returning from "Use Other Password..." leaves the icons in the
-// right state.
-- (void)testPasswordsButtonStateAfterPresentingUseOtherPassword {
+// Tests that returning from "Use Other Password..." leaves the view and icons
+// in the right state.
+- (void)testPasswordsStateAfterPresentingUseOtherPassword {
   // Bring up the keyboard.
   [[EarlGrey selectElementWithMatcher:chrome_test_util::WebViewMatcher()]
       performAction:TapWebElementWithId(kFormElementUsername)];
@@ -418,6 +422,10 @@ BOOL WaitForJavaScriptCondition(NSString* java_script_condition) {
       assertWithMatcher:grey_userInteractionEnabled()];
   [[EarlGrey selectElementWithMatcher:KeyboardIconMatcher()]
       assertWithMatcher:grey_not(grey_sufficientlyVisible())];
+
+  // Verify the keyboard is not cover by the password view.
+  [[EarlGrey selectElementWithMatcher:PasswordTableViewMatcher()]
+      assertWithMatcher:grey_notVisible()];
 }
 
 // Tests that the Password View Controller is not present when presenting UI.