[ios] Add dark style to remote tabs

Bug: 804589
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: Ib1ad651adb3d7c1025ab5e50375bc291cef52aed
Reviewed-on: https://chromium-review.googlesource.com/1090004Reviewed-by: edchin <edchin@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565113}

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

@@ -76,6 +76,7 @@ source_set("tab_grid_ui") {
     "//ios/chrome/browser/ui:ui_util",
     "//ios/chrome/browser/ui/recent_tabs:recent_tabs_ui",
     "//ios/chrome/browser/ui/tab_grid/transitions",
+    "//ios/chrome/browser/ui/table_view:styler",
     "//ios/chrome/browser/ui/util:constraints_ui",
     "//ui/base",
   ]

ios/chrome/browser/ui/tab_grid/tab_grid_view_controller.mm

@@ -8,6 +8,7 @@
 #import "ios/chrome/browser/ui/recent_tabs/recent_tabs_table_view_controller.h"
 #import "ios/chrome/browser/ui/rtl_geometry.h"
 #import "ios/chrome/browser/ui/tab_grid/grid/grid_commands.h"
+#import "ios/chrome/browser/ui/tab_grid/grid/grid_constants.h"
 #import "ios/chrome/browser/ui/tab_grid/grid/grid_consumer.h"
 #import "ios/chrome/browser/ui/tab_grid/grid/grid_image_data_source.h"
 #import "ios/chrome/browser/ui/tab_grid/grid/grid_view_controller.h"
@@ -17,6 +18,7 @@
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_new_tab_button.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_page_control.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_top_toolbar.h"
+#import "ios/chrome/browser/ui/table_view/chrome_table_view_styler.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -435,6 +437,12 @@ NSUInteger GetPageIndexFromPage(TabGridPage page) {
 // Adds the remote tabs view controller as a contained view controller, and
 // sets constraints.
 - (void)setupRemoteTabsViewController {
+  // TODO(crbug.com/804589) : Dark style on remote tabs.
+  // The styler must be set before the view controller is loaded.
+  ChromeTableViewStyler* styler = [[ChromeTableViewStyler alloc] init];
+  styler.tableViewBackgroundColor = UIColorFromRGB(kGridBackgroundColor);
+  self.remoteTabsViewController.styler = styler;
+
   UIView* contentView = self.scrollContentView;
   UIViewController* viewController = self.remoteTabsViewController;
   viewController.view.translatesAutoresizingMaskIntoConstraints = NO;

ios/chrome/browser/ui/table_view/chrome_table_view_controller.h

@@ -30,7 +30,7 @@ typedef NS_ENUM(NSInteger, ChromeTableViewControllerStyle) {
 // The styler that controls how this table view and its cells are
 // displayed. Styler changes should be made before viewDidLoad is called; any
 // changes made afterwards are not guaranteed to take effect.
-@property(nonatomic, readonly, strong) ChromeTableViewStyler* styler;
+@property(nonatomic, readwrite, strong) ChromeTableViewStyler* styler;
 
 // Initializes the view controller, configured with |style|, |appBarStyle|. The
 // default ChromeTableViewStyler will be used.
@@ -38,12 +38,6 @@ typedef NS_ENUM(NSInteger, ChromeTableViewControllerStyle) {
                            appBarStyle:
                                (ChromeTableViewControllerStyle)appBarStyle
     NS_DESIGNATED_INITIALIZER;
-// Initializes the view controller, configured with |style|, |appBarStyle|, and
-// |styler|. |styler| can't be nil.
-- (instancetype)initWithTableViewStyle:(UITableViewStyle)style
-                           appBarStyle:
-                               (ChromeTableViewControllerStyle)appBarStyle
-                                styler:(ChromeTableViewStyler*)styler;
 // Unavailable initializers.
 - (instancetype)initWithStyle:(UITableViewStyle)style NS_UNAVAILABLE;
 - (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;

ios/chrome/browser/ui/table_view/chrome_table_view_controller.mm

@@ -4,6 +4,7 @@
 
 #import "ios/chrome/browser/ui/table_view/chrome_table_view_controller.h"
 
+#include "base/logging.h"
 #import "ios/chrome/browser/ui/material_components/utils.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_header_footer_item.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_item.h"
@@ -36,21 +37,16 @@
   return self;
 }
 
-- (instancetype)initWithTableViewStyle:(UITableViewStyle)style
-                           appBarStyle:
-                               (ChromeTableViewControllerStyle)appBarStyle
-                                styler:(ChromeTableViewStyler*)styler {
-  if (self = [self initWithTableViewStyle:style appBarStyle:appBarStyle]) {
-    _styler = styler;
-  }
-  return self;
-}
-
 - (instancetype)init {
   return [self initWithTableViewStyle:UITableViewStylePlain
                           appBarStyle:ChromeTableViewControllerStyleNoAppBar];
 }
 
+- (void)setStyler:(ChromeTableViewStyler*)styler {
+  DCHECK(![self isViewLoaded]);
+  _styler = styler;
+}
+
 - (void)loadModel {
   _tableViewModel = [[TableViewModel alloc] init];
 }