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

remoting/host/resizing_host_observer.cc

Index: remoting/host/resizing_host_observer.cc
diff --git a/remoting/host/resizing_host_observer.cc b/remoting/host/resizing_host_observer.cc
index 039c94d781a932c9cf2f30b0a660f0de25778c26..06d118746aec1df057a4f5d0a0a4abfacace5ab2 100644
--- a/remoting/host/resizing_host_observer.cc
+++ b/remoting/host/resizing_host_observer.cc
@@ -126,8 +126,10 @@ class CandidateSize {
   SkISize size_;
 };
 
-void ResizingHostObserver::OnClientDimensionsChanged(
-    const std::string& jid, const SkISize& preferred_size) {
+void ResizingHostObserver::OnClientResolutionChanged(
+    const std::string& jid,
+    const SkISize& preferred_size,
+    const SkIPoint& dpi) {
   if (previous_size_.isZero() || preferred_size.isEmpty()) {
     return;
   }