Delete IsMutable and IsExclusive methods.

webrtc/common_video/video_frame.cc

 /*
  *  Copyright (c) 2012 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 @@
   RTC_DCHECK_GE(stride_y, width);
   RTC_DCHECK_GE(stride_u, half_width);
   RTC_DCHECK_GE(stride_v, half_width);
 
   // Creating empty frame - reset all values.
   timestamp_ = 0;
   ntp_time_ms_ = 0;
   render_time_ms_ = 0;
   rotation_ = kVideoRotation_0;
 
-  // Check if it's safe to reuse allocation.
-  if (video_frame_buffer_ && video_frame_buffer_->IsMutable() &&
-      !video_frame_buffer_->native_handle() &&
-      width == video_frame_buffer_->width() &&
-      height == video_frame_buffer_->height() &&
-      stride_y == video_frame_buffer_->StrideY() &&
-      stride_u == video_frame_buffer_->StrideU() &&
-      stride_v == video_frame_buffer_->StrideV()) {
-    return;
-  }
-
-  // Need to allocate new buffer.
+  // Allocate a new buffer.
   video_frame_buffer_ = new rtc::RefCountedObject<I420Buffer>(
       width, height, stride_y, stride_u, stride_v);
 }
 
 void VideoFrame::CreateFrame(const uint8_t* buffer_y,
                              const uint8_t* buffer_u,
                              const uint8_t* buffer_v,
                              int width,
                              int height,
                              int stride_y,
@@ skipping 107 matching lines @@
     case kVideoCodecULPFEC:
     case kVideoCodecGeneric:
     case kVideoCodecUnknown:
       return 0;
   }
   RTC_NOTREACHED();
   return 0;
 }
 
 }  // namespace webrtc