Add DPI information to video packets.

remoting/base/encoder_row_based.cc

Index: remoting/base/encoder_row_based.cc
diff --git a/remoting/base/encoder_row_based.cc b/remoting/base/encoder_row_based.cc
index 41d9e9e7941ef8630d863a11f33e7b821e307d19..c28c06cbe2f39d417ef2d67f330343766015ebb2 100644
--- a/remoting/base/encoder_row_based.cc
+++ b/remoting/base/encoder_row_based.cc
@@ -124,6 +124,11 @@ void EncoderRowBased::EncodeRect(const SkIRect& rect, bool last) {
       packet->set_capture_time_ms(capture_data_->capture_time_ms());
       packet->set_client_sequence_number(
           capture_data_->client_sequence_number());
+      SkIPoint dpi(capture_data_->dpi());
+      if (dpi.x())
+        packet->mutable_format()->set_x_dpi(dpi.x());
+      if (dpi.y())
+        packet->mutable_format()->set_y_dpi(dpi.y());
       if (last)
         packet->set_flags(packet->flags() | VideoPacket::LAST_PARTITION);
       DCHECK(row_pos == row_size);