Change URL text label color for a11y reason.

This CL changes the URL label color of TableViewURLCell's URL for
search engine settings to Google Grey 700 for a11y reason.

Bug: 963520
Change-Id: I03950af95b85ab096d315bafec6bbb645f2620b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1610075Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Yi Su <mrsuyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660039}

ios/chrome/browser/ui/settings/cells/search_engine_item.mm

@@ -6,6 +6,7 @@
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
+#import "ios/chrome/browser/ui/settings/cells/settings_cells_constants.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_cells_constants.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_detail_text_item.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_url_item.h"
@@ -63,6 +64,8 @@
     if (styler.cellTitleColor)
       cell.titleLabel.textColor = styler.cellTitleColor;
 
+    cell.URLLabel.textColor = UIColorFromRGB(kSettingsCellsURLTextColor);
+
     [cell configureUILayout];
   } else {
     TableViewDetailTextCell* cell =

ios/chrome/browser/ui/settings/cells/settings_cells_constants.h

@@ -10,6 +10,9 @@
 // The color of the detail text for the settings cells.
 extern const int kSettingsCellsDetailTextColor;
 
+// The color of the URL text for the settings cells.
+extern const int kSettingsCellsURLTextColor;
+
 // Default height for the settings cells.
 extern const CGFloat kSettingsCellDefaultHeight;
 

ios/chrome/browser/ui/settings/cells/settings_cells_constants.mm

@@ -9,5 +9,6 @@
 #endif
 
 const int kSettingsCellsDetailTextColor = 0x767676;
+const int kSettingsCellsURLTextColor = 0x5F6368;
 
 const CGFloat kSettingsCellDefaultHeight = 70;