cast: support cursor rendering for tab capture

content/browser/media/capture/web_contents_video_capture_device_unittest.cc

 // Copyright (c) 2012 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 "content/browser/media/capture/web_contents_video_capture_device.h"
 
 #include "base/bind_helpers.h"
 #include "base/debug/debugger.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 176 matching lines @@
     fake_bounds_ = rect;
   }
 
   bool CanCopyToVideoFrame() const override {
     return controller_->CanCopyToVideoFrame();
   }
 
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
-      const base::Callback<void(bool)>& callback) override {
+      const base::Callback<void(gfx::Rect, bool)>& callback) override {
     SkColor c = ConvertRgbToYuv(controller_->GetSolidColor());
     media::FillYUV(
         target.get(), SkColorGetR(c), SkColorGetG(c), SkColorGetB(c));
-    callback.Run(true);
+    callback.Run(gfx::Rect(), true);
     controller_->SignalCopy();
   }
 
   void BeginFrameSubscription(
       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber) override {
     subscriber_.reset(subscriber.release());
   }
 
   void EndFrameSubscription() override { subscriber_.reset(); }
 
@@ skipping 922 matching lines @@
         policies[i], gfx::Size(1000, 1000), gfx::Size(1000, 1000));
     RunTestForPreferredSize(
         policies[i], gfx::Size(1600, 1000), gfx::Size(1600, 1000));
     RunTestForPreferredSize(
         policies[i], gfx::Size(837, 999), gfx::Size(837, 999));
   }
 }
 
 }  // namespace
 }  // namespace content