Revert of Move MutableDataY{,U,V} methods to I420Buffer only.

webrtc/modules/video_capture/video_capture_impl.cc

Index: webrtc/modules/video_capture/video_capture_impl.cc
diff --git a/webrtc/modules/video_capture/video_capture_impl.cc b/webrtc/modules/video_capture/video_capture_impl.cc
index 90ac26713a2cd9ccd8ec1911bb5bce0c17fe2e23..e6b2d55f98692497229f905138113febc3ff50ae 100644
--- a/webrtc/modules/video_capture/video_capture_impl.cc
+++ b/webrtc/modules/video_capture/video_capture_impl.cc
@@ -275,14 +275,14 @@
         // Setting absolute height (in case it was negative).
         // In Windows, the image starts bottom left, instead of top left.
         // Setting a negative source height, inverts the image (within LibYuv).
-
-        // TODO(nisse): Use a pool?
-        rtc::scoped_refptr<I420Buffer> buffer = I420Buffer::Create(
-            target_width, abs(target_height), stride_y, stride_uv, stride_uv);
+        _captureFrame.CreateEmptyFrame(target_width,
+                                       abs(target_height),
+                                       stride_y,
+                                       stride_uv, stride_uv);
         const int conversionResult = ConvertToI420(
             commonVideoType, videoFrame, 0, 0,  // No cropping
             width, height, videoFrameLength,
-            apply_rotation ? _rotateFrame : kVideoRotation_0, buffer.get());
+            apply_rotation ? _rotateFrame : kVideoRotation_0, &_captureFrame);
         if (conversionResult < 0)
         {
           LOG(LS_ERROR) << "Failed to convert capture frame from type "
@@ -290,12 +290,15 @@
             return -1;
         }
 
-        VideoFrame captureFrame(
-            buffer, 0, rtc::TimeMillis(),
-            !apply_rotation ? _rotateFrame : kVideoRotation_0);
-        captureFrame.set_ntp_time_ms(captureTime);
-
-        DeliverCapturedFrame(captureFrame);
+        if (!apply_rotation) {
+          _captureFrame.set_rotation(_rotateFrame);
+        } else {
+          _captureFrame.set_rotation(kVideoRotation_0);
+        }
+        _captureFrame.set_ntp_time_ms(captureTime);
+        _captureFrame.set_render_time_ms(rtc::TimeMillis());
+
+        DeliverCapturedFrame(_captureFrame);
     }
     else // Encoded format
     {