views: use cross-platform border colors

ui/native_theme/native_theme_mac.mm

Index: ui/native_theme/native_theme_mac.mm
diff --git a/ui/native_theme/native_theme_mac.mm b/ui/native_theme/native_theme_mac.mm
index 6962a704f3c471b2ab3b81b3f18d8f4f82d4c672..1f757dd1cbe0863f4168fb7714bf091e3978e24f 100644
--- a/ui/native_theme/native_theme_mac.mm
+++ b/ui/native_theme/native_theme_mac.mm
@@ -139,10 +139,15 @@ SkColor NativeThemeMac::GetSystemColor(ColorId color_id) const {
       return SK_ColorWHITE;
 
     case kColorId_FocusedBorderColor:
+      return ui::MaterialDesignController::IsSecondaryUiMaterial()

[Evan Stade, 2016/08/30 16:09:54]

seems perhaps worth separating this out, a la:

if (IsSecondaryUiMaterial()) {
  switch(color_id) {
    case foo:
    case bag:
    case bar:
      return GetAuraColor(color_id, this);
  }
}

When that clause becomes always true, we can just move the body into the
existing switch.

But, up to you.

+                ? GetAuraColor(color_id, this)
+                : NSSystemColorToSkColor([NSColor keyboardFocusIndicatorColor]);
     case kColorId_FocusedMenuButtonBorderColor:
       return NSSystemColorToSkColor([NSColor keyboardFocusIndicatorColor]);
     case kColorId_UnfocusedBorderColor:
-      return NSSystemColorToSkColor([NSColor controlColor]);
+      return ui::MaterialDesignController::IsSecondaryUiMaterial()
+                ? GetAuraColor(color_id, this)
+                : NSSystemColorToSkColor([NSColor controlColor]);
 
     // Buttons and labels.
     case kColorId_ButtonBackgroundColor:
@@ -155,7 +160,9 @@ SkColor NativeThemeMac::GetSystemColor(ColorId color_id) const {
     case kColorId_LabelEnabledColor:
       return NSSystemColorToSkColor([NSColor controlTextColor]);
     case kColorId_CallToActionColor:
-      return NSSystemColorToSkColor([NSColor controlTextColor]);
+      return ui::MaterialDesignController::IsSecondaryUiMaterial()
+                ? GetAuraColor(color_id, this)
+                : NSSystemColorToSkColor([NSColor controlTextColor]);
     case kColorId_ButtonDisabledColor:
     case kColorId_LabelDisabledColor:
       return NSSystemColorToSkColor([NSColor disabledControlTextColor]);