Magnifier border is now more visible on light backgrounds.

ash/common/test/test_palette_delegate.h

 // Copyright 2016 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.
 
 #ifndef ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_
 #define ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_
 
 #include "ash/common/palette_delegate.h"
 #include "base/macros.h"
 
 namespace ash {
 
 // A simple test double for a PaletteDelegate.
 class TestPaletteDelegate : public PaletteDelegate {
  public:
   TestPaletteDelegate();
   ~TestPaletteDelegate() override;
 
   int create_note_count() const { return create_note_count_; }
 
   int has_note_app_count() const { return has_note_app_count_; }
 
+  bool partial_magnifier_state() const { return partial_magnifier_state_; }
+
+  int take_screenshot_count() const { return take_screenshot_count_; }
+
+  int take_partial_screenshot_count() const {
+    return take_partial_screenshot_count_;
+  }
+
   void set_has_note_app(bool has_note_app) { has_note_app_ = has_note_app; }
 
  private:
   // PaletteDelegate:
   void CreateNote() override;
   bool HasNoteApp() override;
+  void SetPartialMagnifierState(bool enabled) override;
+  void TakeScreenshot() override;
+  void TakePartialScreenshot() override;
 
   bool has_note_app_ = false;
   int create_note_count_ = 0;
   int has_note_app_count_ = 0;
+  bool partial_magnifier_state_ = false;
+  int take_screenshot_count_ = 0;
+  int take_partial_screenshot_count_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(TestPaletteDelegate);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_TEST_TEST_PALETTE_DELEGATE_H_