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

remoting/protocol/host_stub.h

Index: remoting/protocol/host_stub.h
diff --git a/remoting/protocol/host_stub.h b/remoting/protocol/host_stub.h
index a1d2152dcec334b6cb1f14ed18092508a01fab1c..b66558fc2a622432b977efbb82440eed9b0098d7 100644
--- a/remoting/protocol/host_stub.h
+++ b/remoting/protocol/host_stub.h
@@ -14,7 +14,7 @@
 namespace remoting {
 namespace protocol {
 
-class ClientDimensions;
+class ClientResolution;
 class VideoControl;
 class AudioControl;
 
@@ -22,9 +22,9 @@ class HostStub {
  public:
   HostStub() {}
 
-  // Notification of the available client display dimensions.
+  // Notification of the client dimensions and pixel density.
   // This may be used to resize the host display to match the client area.
-  virtual void NotifyClientDimensions(const ClientDimensions& dimensions) = 0;
+  virtual void NotifyClientResolution(const ClientResolution& resolution) = 0;
 
   // Configures video update properties. Currently only pausing & resuming the
   // video channel is supported.