Add unittests for CursorRendererMac

content/browser/media/capture/cursor_renderer.h

 // Copyright (c) 2015 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 CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_H_
 #define CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 67 matching lines @@
 
   // Returns the image of the last-known mouse cursor and its hotspot.
   virtual SkBitmap GetLastKnownCursorImage(gfx::Point* hot_point) = 0;
 
   // Called by subclasses to report mouse events within the captured view.
   void OnMouseMoved(const gfx::Point& location, base::TimeTicks timestamp);
   void OnMouseClicked(const gfx::Point& location, base::TimeTicks timestamp);
 
  private:
   friend class CursorRendererAuraTest;
+  friend class CursorRendererMacTest;
 
   const gfx::NativeView captured_view_;
 
   // Snapshot of cursor, source size, scale, position, and cursor bitmap;
   // as of the last call to SnapshotCursorState.
   float last_x_scale_;
   float last_y_scale_;
   gfx::NativeCursor last_cursor_;
   gfx::Point cursor_position_in_frame_;
   gfx::Point last_cursor_hot_point_;
@@ skipping 14 matching lines @@
   base::TickClock* tick_clock_;
 
   base::WeakPtrFactory<CursorRenderer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorRenderer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_H_