[iOS] Change the background color of the infobars

This CL changes the background color of the infobars to be more aligned
with the UI Refresh look.

Bug: 817753
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I06db3d63b619fc63bf381d936f4c59cab4afaa28
Reviewed-on: https://chromium-review.googlesource.com/1122860Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Peter Lee <pkl@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572129}

ios/chrome/browser/ui/autofill/save_card_infobar_view.mm

@@ -9,6 +9,7 @@
 #import "ios/chrome/browser/procedural_block_types.h"
 #import "ios/chrome/browser/ui/autofill/save_card_infobar_view_delegate.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
+#import "ios/chrome/browser/ui/infobars/infobar_constants.h"
 #import "ios/chrome/browser/ui/infobars/infobar_view_sizing_delegate.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
@@ -191,7 +192,11 @@ UIFont* InfoBarMessageFont() {
 
 - (void)setupSubviews {
   [self setAccessibilityViewIsModal:YES];
-  [self setBackgroundColor:[UIColor whiteColor]];
+  if (IsUIRefreshPhase1Enabled()) {
+    self.backgroundColor = UIColorFromRGB(kInfobarBackgroundColor);
+  } else {
+    self.backgroundColor = [UIColor whiteColor];
+  }
   id<LayoutGuideProvider> safeAreaLayoutGuide =
       SafeAreaLayoutGuideForView(self);
 

ios/chrome/browser/ui/infobars/BUILD.gn

@@ -7,6 +7,8 @@ source_set("infobars") {
   sources = [
     "confirm_infobar_view.h",
     "confirm_infobar_view.mm",
+    "infobar_constants.h",
+    "infobar_constants.mm",
     "infobar_view_sizing.h",
     "infobar_view_sizing_delegate.h",
   ]

ios/chrome/browser/ui/infobars/confirm_infobar_view.mm

@@ -14,6 +14,7 @@
 #include "base/strings/sys_string_conversions.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
+#import "ios/chrome/browser/ui/infobars/infobar_constants.h"
 #import "ios/chrome/browser/ui/infobars/infobar_view_sizing_delegate.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
@@ -759,8 +760,11 @@ UIImage* InfoBarCloseImage() {
 }
 
 - (void)resetBackground {
-  UIColor* color = [UIColor whiteColor];
-  [self setBackgroundColor:color];
+  if (IsUIRefreshPhase1Enabled()) {
+    self.backgroundColor = UIColorFromRGB(kInfobarBackgroundColor);
+  } else {
+    self.backgroundColor = [UIColor whiteColor];
+  }
   CGFloat shadowY = 0;
   shadowY = -[shadow_ image].size.height;  // Shadow above the infobar.
   [shadow_ setFrame:CGRectMake(0, shadowY, self.bounds.size.width,

ios/chrome/browser/ui/infobars/infobar_constants.h

+// Copyright 2018 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_INFOBARS_INFOBAR_CONSTANTS_H_
+#define IOS_CHROME_BROWSER_UI_INFOBARS_INFOBAR_CONSTANTS_H_
+
+extern const int kInfobarBackgroundColor;
+
+#endif  // IOS_CHROME_BROWSER_UI_INFOBARS_INFOBAR_CONSTANTS_H_

ios/chrome/browser/ui/infobars/infobar_constants.mm

+// Copyright 2018 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 "ios/chrome/browser/ui/infobars/infobar_constants.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+const int kInfobarBackgroundColor = 0xfafafa;