[Controls Refresh] Updates dark mode styling for button native controls

This change uses native_theme_base.cc and controls_refresh.cc to update the styling for the button native controls in dark mode.

Bug: 1099624
Change-Id: Ib907a5a5887266c1bff3903b1b1c571e4dbc7aba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2311419
Commit-Queue: Sam Sebree <sasebree@microsoft.com>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Mason Freed <masonfreed@chromium.org>
Reviewed-by: Yu Han <yuzhehan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792417}

third_party/blink/renderer/core/html/resources/controls_refresh.css

@@ -69,6 +69,7 @@ input[type="file" i]::-webkit-file-upload-button,
 button {
   background-color: -internal-light-dark(#efefef, #4A4A4A);
   border-color: -internal-light-dark(#767676, #C3C3C3);
+  color: -internal-light-dark(black, white);
 }
 
 input[type="button" i]:disabled,
@@ -79,7 +80,7 @@ input[type="file" i]:disabled::-webkit-file-upload-button,
 button:disabled {
   background-color: -internal-light-dark(rgba(239, 239, 239, 0.3), rgba(19, 1, 1, 0.3));
   border-color: -internal-light-dark(rgba(118, 118, 118, 0.3), rgba(195, 195, 195, 0.3));
-  color: -internal-light-dark(rgba(16, 16, 16, 0.3), #aaaaaa);
+  color: -internal-light-dark(rgba(16, 16, 16, 0.3), white);
 }
 
 input[type="password" i]::-internal-reveal {

ui/native_theme/native_theme_base.cc

@@ -1659,6 +1659,7 @@ SkColor NativeThemeBase::GetDarkModeControlColor(
     case kProgressValue:
       return SkColorSetRGB(0x63, 0xAD, 0xE5);
     case kFill:
+      return SkColorSetRGB(0x6B, 0x6B, 0x6B);
     case kLightenLayer:
     case kAutoCompleteBackground:
     case kBackground:
@@ -1682,11 +1683,11 @@ SkColor NativeThemeBase::GetDarkModeControlColor(
     case kDisabledBorder:
       return SkColorSetRGB(0x62, 0x62, 0x62);
     case kHoveredFill:
-      return SkColorSetRGB(0x54, 0x54, 0x54);
+      return SkColorSetRGB(0x7B, 0x7B, 0x7B);
     case kPressedFill:
-      return SkColorSetRGB(0x45, 0x45, 0x45);
+      return SkColorSetRGB(0x61, 0x61, 0x61);
     case kDisabledFill:
-      return SkColorSetARGB(0x4D, 0x3B, 0x3B, 0x3B);
+      return SkColorSetRGB(0x5B, 0x5B, 0x5B);
     case kScrollbarArrowBackground:
       return SkColorSetRGB(0x42, 0x42, 0x42);
     case kScrollbarArrowBackgroundHovered: