Magnifier border is now more visible on light backgrounds.

chrome/browser/ui/ash/palette_delegate_chromeos.h

Index: chrome/browser/ui/ash/palette_delegate_chromeos.h
diff --git a/chrome/browser/ui/ash/palette_delegate_chromeos.h b/chrome/browser/ui/ash/palette_delegate_chromeos.h
index 1ae5c6383693411575006d8a262823b49814c644..51e638e6a91ed43ce9b48fba1c19ad0d9552cb1e 100644
--- a/chrome/browser/ui/ash/palette_delegate_chromeos.h
+++ b/chrome/browser/ui/ash/palette_delegate_chromeos.h
@@ -24,6 +24,9 @@ class PaletteDelegateChromeOS : public ash::PaletteDelegate {
   // ash::PaletteDelegate:
   void CreateNote() override;
   bool HasNoteApp() override;
+  void SetPartialMagnifierState(bool enabled) override;
+  void TakeScreenshot() override;
+  void TakePartialScreenshot() override;
 
   DISALLOW_COPY_AND_ASSIGN(PaletteDelegateChromeOS);
 };