Use only DIPs size in ClientResolution.

remoting/proto/control.proto

 // Copyright (c) 2012 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.
 //
 // Protocol for control messages.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package remoting.protocol;
 
 message ClientResolution {
-  // Legacy width and height of the client in Density-Independent Pixels
+  // Width and height of the client in Density-Independent Pixels
   optional int32 dips_width = 1;
   optional int32 dips_height = 2;
 
-  // Width and height of the client in device pixels.
-  optional int32 width = 3;
-  optional int32 height = 4;
+  // Deprecated width and height of the client in device pixels.
+  optional int32 width_deprecated = 3;
+  optional int32 height_deprecated = 4;
 
   // Horizontal and vertical DPI of the screen. If either of these is zero or
   // unset, the corresponding DPI should be assumed to be 96 (Windows' default)
   optional int32 x_dpi = 5;
   optional int32 y_dpi = 6;
 }
 
 message VideoControl {
   // Enables the video channel if true, pauses if false.
   optional bool enable = 1;
@@ skipping 66 matching lines @@
 
   // DPI of the screen.
   optional int32 x_dpi = 6;
   optional int32 y_dpi = 7;
 }
 
 message VideoLayout {
   // Layout for each video track.
   repeated VideoTrackLayout video_track = 1;
 }