Refactoring of the client-side input pipeline and scaling dimension management.

remoting/host/client_session.cc

Index: remoting/host/client_session.cc
diff --git a/remoting/host/client_session.cc b/remoting/host/client_session.cc
index df75407ed09381244a11085194a60a19e222aef8..4748105c69573b69d2004069bcc44b5fb29c6cc4 100644
--- a/remoting/host/client_session.cc
+++ b/remoting/host/client_session.cc
@@ -240,6 +240,7 @@ void ClientSession::RestoreEventState() {
   for (int i = 1; i < MouseEvent::BUTTON_MAX; i++) {
     if (remote_mouse_button_state_ & (1 << (i - 1))) {
       MouseEvent mouse;
+      // TODO(wez): Shouldn't [need to] set position here.
       mouse.set_x(remote_mouse_pos_.x());
       mouse.set_y(remote_mouse_pos_.y());
       mouse.set_button((MouseEvent::MouseButton)i);