Use the NativeTheme to create the text color for text during the generated card animation.

Also adjust the background so that darker colors are lighter and by a larger amount if really dark.

BUG=320899

Review URL: https://codereview.chromium.org/107623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244083 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc

@@ -800,7 +800,6 @@ DialogOverlayState AutofillDialogControllerImpl::GetDialogOverlay() {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   DialogOverlayState state;
   state.string.font = rb.GetFont(ui::ResourceBundle::BaseFont).DeriveFont(3);
-  state.string.text_color = SK_ColorDKGRAY;
 
   const SkColor start_top_color = SkColorSetRGB(0xD6, 0xD6, 0xD6);
   const SkColor start_bottom_color = SkColorSetRGB(0x98, 0x98, 0x98);

chrome/browser/ui/autofill/autofill_dialog_types.h

@@ -173,9 +173,6 @@ struct DialogOverlayString {
   // Text content of the message.
   base::string16 text;
 
-  // Color of the message's text.
-  SkColor text_color;
-
   // Font to render the message's text in.
   gfx::Font font;
 };

chrome/browser/ui/cocoa/autofill/autofill_overlay_controller.mm

@@ -95,7 +95,7 @@ SkColor kSubtleBorderColor = 0xffdfdfdf;
   // We probably want to look at other multi-line messages somewhere.
   [label_ setFont:message.font.GetNativeFont()];
   [label_ setStringValue:base::SysUTF16ToNSString(message.text)];
-  [label_ setTextColor:gfx::SkColorToCalibratedNSColor(message.text_color)];
+  [label_ setTextColor:[NSColor darkGrayColor]];
 
   // Resize only height, preserve width. This guarantees text stays centered in
   // the dialog.

chrome/browser/ui/views/autofill/autofill_dialog_views.cc

@@ -35,6 +35,7 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/canvas.h"
+#include "ui/gfx/color_utils.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/path.h"
 #include "ui/gfx/point.h"
@@ -587,7 +588,9 @@ void AutofillDialogViews::OverlayView::UpdateState() {
   message_view_->SetVisible(!state.string.text.empty());
   message_view_->SetText(state.string.text);
   message_view_->SetFontList(gfx::FontList(state.string.font));
-  message_view_->SetEnabledColor(state.string.text_color);
+  message_view_->SetEnabledColor(GetNativeTheme()->GetSystemColor(
+      ui::NativeTheme::kColorId_TextfieldReadOnlyColor));
+
   message_view_->set_border(
       views::Border::CreateEmptyBorder(kOverlayMessageVerticalPadding,
                                        kDialogEdgePadding,
@@ -650,11 +653,25 @@ void AutofillDialogViews::OverlayView::OnPaint(gfx::Canvas* canvas) {
     arrow.lineTo(rect.x() - 1, rect.bottom() + 1);
     arrow.close();
 
+    // The mocked alpha blends were 7 for background & 10 for the border against
+    // a very bright background. The eye perceives luminance differences of
+    // darker colors much less than lighter colors, so increase the alpha blend
+    // amount the darker the color (lower the luminance).
     SkPaint paint;
-    paint.setColor(kShadingColor);
+    SkColor background_color = background()->get_color();
+    int background_luminance =
+        color_utils::GetLuminanceForColor(background_color);
+    int background_alpha = static_cast<int>(
+        7 + 15 * (255 - background_luminance) / 255);
+    int subtle_border_alpha = static_cast<int>(
+        10 + 20 * (255 - background_luminance) / 255);
+
+    paint.setColor(color_utils::BlendTowardOppositeLuminance(
+        background_color, background_alpha));
     paint.setStyle(SkPaint::kFill_Style);
     canvas->DrawPath(arrow, paint);
-    paint.setColor(kSubtleBorderColor);
+    paint.setColor(color_utils::BlendTowardOppositeLuminance(
+        background_color, subtle_border_alpha));
     paint.setStyle(SkPaint::kStroke_Style);
     canvas->DrawPath(arrow, paint);
   }