Add MouseClampingFilter and update ClientSession to use it.

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 540277ecc6d041fa2262597be002c0ee79d5833c..598ebbba9771842b7f9ee2c488db93b4feb1885f 100644
--- a/remoting/host/client_session.cc
+++ b/remoting/host/client_session.cc
@@ -30,7 +30,7 @@ ClientSession::ClientSession(
       host_input_stub_(host_input_stub),
       input_tracker_(host_input_stub_),
       remote_input_filter_(&input_tracker_),
-      mouse_input_filter_(&remote_input_filter_),
+      mouse_clamping_filter_(capturer, &remote_input_filter_),
       client_clipboard_factory_(clipboard_echo_filter_.client_filter()),
       capturer_(capturer),
       max_duration_(max_duration) {
@@ -41,28 +41,13 @@ ClientSession::ClientSession(
   // later and set them only when connection is authenticated.
   connection_->set_clipboard_stub(&auth_clipboard_filter_);
   connection_->set_host_stub(this);
-  connection_->set_input_stub(this);
+  connection_->set_input_stub(&auth_input_filter_);
   clipboard_echo_filter_.set_host_stub(host_clipboard_stub_);
 }
 
 ClientSession::~ClientSession() {
 }
 
-void ClientSession::InjectKeyEvent(const protocol::KeyEvent& event) {
-  DCHECK(CalledOnValidThread());
-  auth_input_filter_.InjectKeyEvent(event);
-}
-
-void ClientSession::InjectMouseEvent(const protocol::MouseEvent& event) {
-  DCHECK(CalledOnValidThread());
-
-  // Ensure that the MouseInputFilter is clamping to the current dimensions.
-  mouse_input_filter_.set_output_size(capturer_->size_most_recent());
-  mouse_input_filter_.set_input_size(capturer_->size_most_recent());
-
-  auth_input_filter_.InjectMouseEvent(event);
-}
-
 void ClientSession::NotifyClientDimensions(
     const protocol::ClientDimensions& dimensions) {
   // TODO(wez): Use the dimensions, e.g. to resize the host desktop to match.
@@ -166,7 +151,7 @@ void ClientSession::SetDisableInputs(bool disable_inputs) {
     disable_clipboard_filter_.set_clipboard_stub(NULL);
     input_tracker_.ReleaseAll();
   } else {
-    disable_input_filter_.set_input_stub(&mouse_input_filter_);
+    disable_input_filter_.set_input_stub(&mouse_clamping_filter_);
     disable_clipboard_filter_.set_clipboard_stub(
         clipboard_echo_filter_.host_filter());
   }