Remove DesktopRegion parameter from DesktopCapturer::Capture

webrtc/modules/desktop_capture/desktop_capturer.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 48 matching lines @@
   // valid until capturer is destroyed.
   virtual void Start(Callback* callback) = 0;
 
   // Sets SharedMemoryFactory that will be used to create buffers for the
   // captured frames. The factory can be invoked on a thread other than the one
   // where Capture() is called. It will be destroyed on the same thread. Shared
   // memory is currently supported only by some DesktopCapturer implementations.
   virtual void SetSharedMemoryFactory(
       std::unique_ptr<SharedMemoryFactory> shared_memory_factory) {}
 
-  // This is a legacy interface, consumers should call CaptureFrame() function.
-  virtual void Capture(const DesktopRegion& region) { CaptureFrame(); }
-
   // Captures next frame, and involve callback provided by Start() function.
   // Pending capture requests are canceled when DesktopCapturer is deleted.
-  virtual void CaptureFrame() { Capture(DesktopRegion()); }
+  virtual void Capture() { CaptureFrame(); }

[Sergey Ulanov, 2016/10/18 23:37:10]

I think CaptureFrame() is a better name than Capture(), so maybe just remove the
old Capture()?

[Hzj_jie, 2016/10/19 00:49:17]

No opinion, yes, I can remove old Capture() function.

+
+  // This is a legacy interface, consumers should call Capture() function.
+  virtual void CaptureFrame() { Capture(); }
 
   // Sets the window to be excluded from the captured image in the future
   // Capture calls. Used to exclude the screenshare notification window for
   // screen capturing.
   virtual void SetExcludedWindow(WindowId window) {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURER_H_