Changed ConfirmationAlertViewController imageNamed to image.

Allows usage of this ViewController when we don't have a named image.

Bug: 1064990
Change-Id: I53191d86f83fb552042f3f30c2de4bd954b30d09
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2152896Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Commit-Queue: Sebastien Lalancette <seblalancette@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760037}

ios/chrome/browser/ui/passwords/password_breach_view_controller.mm

@@ -18,7 +18,7 @@
 #pragma mark - Public
 
 - (void)loadView {
-  self.imageName = @"password_breach_illustration";
+  self.image = [UIImage imageNamed:@"password_breach_illustration"];
   self.helpButtonAvailable = YES;
   [super loadView];
 }

ios/chrome/common/ui/confirmation_alert/confirmation_alert_view_controller.h

@@ -33,8 +33,8 @@ extern NSString* const kConfirmationAlertPrimaryActionAccessibilityIdentifier;
 // The text for the primary action. Must be set before the view is loaded.
 @property(nonatomic, strong) NSString* primaryActionString;
 
-// The image name. Must be set before the view is loaded.
-@property(nonatomic, strong) NSString* imageName;
+// The image. Must be set before the view is loaded.
+@property(nonatomic, strong) UIImage* image;
 
 // Controls if there is a help button in the view. Must be set before the
 // view is loaded.

ios/chrome/common/ui/confirmation_alert/confirmation_alert_view_controller.mm

@@ -285,8 +285,7 @@ constexpr CGFloat kSafeAreaMultiplier = 0.8;
 
 // Helper to create the image view.
 - (UIImageView*)createImageView {
-  UIImage* image = [UIImage imageNamed:self.imageName];
-  UIImageView* imageView = [[UIImageView alloc] initWithImage:image];
+  UIImageView* imageView = [[UIImageView alloc] initWithImage:self.image];
   imageView.contentMode = UIViewContentModeScaleAspectFit;
   imageView.translatesAutoresizingMaskIntoConstraints = NO;
   return imageView;

ios/chrome/credential_provider_extension/ui/consent_view_controller.mm

@@ -13,7 +13,7 @@
 #pragma mark - Public
 
 - (void)loadView {
-  self.imageName = @"consent_illustration";
+  self.image = [UIImage imageNamed:@"consent_illustration"];
   self.helpButtonAvailable = YES;
   self.primaryActionAvailable = YES;
   NSString* titleString =

ios/chrome/credential_provider_extension/ui/empty_credentials_view_controller.mm

@@ -13,7 +13,7 @@
 #pragma mark - Public
 
 - (void)loadView {
-  self.imageName = @"empty_credentials_illustration";
+  self.image = [UIImage imageNamed:@"empty_credentials_illustration"];
   self.helpButtonAvailable = NO;
   self.primaryActionAvailable = NO;
   NSString* titleString =

ios/chrome/credential_provider_extension/ui/stale_credentials_view_controller.mm

@@ -13,7 +13,7 @@
 #pragma mark - Public
 
 - (void)loadView {
-  self.imageName = @"stale_credentials_illustration";
+  self.image = [UIImage imageNamed:@"stale_credentials_illustration"];
   self.helpButtonAvailable = NO;
   self.primaryActionAvailable = NO;
   NSString* titleString =