Set bookmarks bar text color to #646464 in MD mode

chrome/browser/themes/theme_properties.cc

Index: chrome/browser/themes/theme_properties.cc
diff --git a/chrome/browser/themes/theme_properties.cc b/chrome/browser/themes/theme_properties.cc
index 770b3dd61b00654857a6631e6305a160e3272707..ba17e76085d79258360c4abb6c77d9830be12987 100644
--- a/chrome/browser/themes/theme_properties.cc
+++ b/chrome/browser/themes/theme_properties.cc
@@ -92,6 +92,11 @@ constexpr SkColor kDefaultColorBookmarkText = SK_ColorBLACK;
 constexpr SkColor kDefaultColorBookmarkTextIncognito[] = {
     kDefaultColorBookmarkText, SK_ColorWHITE};
 
+const SkColor kDefaultColorBookmarkInstructionsText[] = {
+    SK_ColorBLACK, SkColorSetRGB(0x64, 0x64, 0x64)};
+const SkColor kDefaultColorBookmarkInstructionsTextIncognito[] = {
+    SK_ColorBLACK, SkColorSetARGB(0x8A, 0xFF, 0xFF, 0xFF)};
+
 #if defined(OS_WIN)
 const SkColor kDefaultColorNTPBackground =
     color_utils::GetSysSkColor(COLOR_WINDOW);
@@ -358,6 +363,9 @@ SkColor ThemeProperties::GetDefaultColor(int id, bool otr) {
     // Properties not stored in theme pack.
     case COLOR_CONTROL_BACKGROUND:
       return kDefaultColorControlBackground;
+    case COLOR_BOOKMARK_BAR_INSTRUCTIONS_TEXT:
+      return otr ? kDefaultColorBookmarkInstructionsTextIncognito[mode]
+                 : kDefaultColorBookmarkInstructionsText[mode];
     case COLOR_TOOLBAR_BOTTOM_SEPARATOR:
     case COLOR_DETACHED_BOOKMARK_BAR_SEPARATOR:
       return otr ? kDefaultDetachedBookmarkBarSeparatorIncognito[mode]