Add a color argument to accessibilityPrivate.setFocusRing

chrome/browser/chromeos/ui/accessibility_focus_ring_layer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/ui/accessibility_focus_ring_layer.h"
 
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "third_party/skia/include/core/SkPaint.h"
@@ skipping 101 matching lines @@
 
 void AccessibilityFocusRingLayer::OnPaintLayer(
     const ui::PaintContext& context) {
   ui::PaintRecorder recorder(context, layer()->size());
 
   cc::PaintFlags flags;
   flags.setAntiAlias(true);
   flags.setStyle(cc::PaintFlags::kStroke_Style);
   flags.setStrokeWidth(2);
 
+  SkColor base_color =
+      has_custom_color()
+          ? custom_color()
+          : SkColorSetARGBMacro(255, kFocusRingColorRed, kFocusRingColorGreen,
+                                kFocusRingColorBlue);
+
   SkPath path;
   gfx::Vector2d offset = layer()->bounds().OffsetFromOrigin();
   const int w = kGradientWidth;
   for (int i = 0; i < w; ++i) {
-    flags.setColor(SkColorSetARGBMacro(255 * (w - i) * (w - i) / (w * w),
-                                       kFocusRingColorRed, kFocusRingColorGreen,
-                                       kFocusRingColorBlue));
+    flags.setColor(SkColorSetA(base_color, 255 * (w - i) * (w - i) / (w * w)));
     path = MakePath(ring_, i, offset);
     recorder.canvas()->DrawPath(path, flags);
   }
 }
 
 }  // namespace chromeos