Rename ClientDimensions to ClientResolution and add pixel-size and DPI fields.

remoting/host/chromoting_host.cc

Index: remoting/host/chromoting_host.cc
diff --git a/remoting/host/chromoting_host.cc b/remoting/host/chromoting_host.cc
index 51d50aa13df93beac5ae2561cc9e6e4bfa911246..848b926c7f8c014b48fde844b40ddac48123721b 100644
--- a/remoting/host/chromoting_host.cc
+++ b/remoting/host/chromoting_host.cc
@@ -266,11 +266,13 @@ void ChromotingHost::OnSessionRouteChange(
                                         route));
 }
 
-void ChromotingHost::OnClientDimensionsChanged(ClientSession* session,
-                                               const SkISize& size) {
+void ChromotingHost::OnClientResolutionChanged(ClientSession* session,
+                                               const SkISize& size,
+                                               const SkIPoint& dpi) {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
   FOR_EACH_OBSERVER(HostStatusObserver, status_observers_,
-                    OnClientDimensionsChanged(session->client_jid(), size));
+                    OnClientResolutionChanged(session->client_jid(),
+                                              size, dpi));
 }
 
 void ChromotingHost::OnSessionManagerReady() {