Remove software paint FrameSubscriber from tab capture.

content/browser/media/capture/video_capture_oracle.h

 // Copyright (c) 2013 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_VIDEO_CAPTURE_ORACLE_H_
 #define CONTENT_BROWSER_MEDIA_CAPTURE_VIDEO_CAPTURE_ORACLE_H_
 
 #include <deque>
 
 #include "base/callback_forward.h"
@@ skipping 157 matching lines @@
 
 // VideoCaptureOracle manages the producer-side throttling of captured frames
 // from a video capture device.  It is informed of every update by the device;
 // this empowers it to look into the future and decide if a particular frame
 // ought to be captured in order to achieve its target frame rate.
 class CONTENT_EXPORT VideoCaptureOracle {
  public:
   enum Event {
     kTimerPoll,
     kCompositorUpdate,
-    kSoftwarePaint,
     kNumEvents,
   };
 
   explicit VideoCaptureOracle(base::TimeDelta min_capture_period);
   virtual ~VideoCaptureOracle();
 
   // Record a event of type |event|, and decide whether the caller should do a
   // frame capture.  |damage_rect| is the region of a frame about to be drawn,
   // and may be an empty Rect, if this is not known.  If the caller accepts the
   // oracle's proposal, it should call RecordCapture() to indicate this.
@@ skipping 39 matching lines @@
   // Recent history of frame timestamps proposed by VideoCaptureOracle.  This is
   // a ring-buffer, and should only be accessed by the Get/SetFrameTimestamp()
   // methods.
   enum { kMaxFrameTimestamps = 16 };
   base::TimeTicks frame_timestamps_[kMaxFrameTimestamps];
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_VIDEO_CAPTURE_ORACLE_H_