Use standard DOM code definitions instead of custom.

remoting/host/win/session_input_injector.cc

Index: remoting/host/win/session_input_injector.cc
diff --git a/remoting/host/win/session_input_injector.cc b/remoting/host/win/session_input_injector.cc
index fa0d09cf2b9b67ee6f58f6d189b0b1c198f0f2c2..6e6be700844860135d4dd064814bf4060cecec6f 100644
--- a/remoting/host/win/session_input_injector.cc
+++ b/remoting/host/win/session_input_injector.cc
@@ -15,17 +15,17 @@
 #include "base/win/windows_version.h"
 #include "remoting/host/sas_injector.h"
 #include "remoting/proto/event.pb.h"
-#include "remoting/protocol/usb_key_codes.h"
 #include "third_party/webrtc/modules/desktop_capture/win/desktop.h"
 #include "third_party/webrtc/modules/desktop_capture/win/scoped_thread_desktop.h"
+#include "ui/events/keycodes/dom/dom_code.h"
 
 namespace {
 
-bool CheckCtrlAndAltArePressed(const std::set<uint32>& pressed_keys) {
-  size_t ctrl_keys = pressed_keys.count(kUsbLeftControl) +
-    pressed_keys.count(kUsbRightControl);
-  size_t alt_keys = pressed_keys.count(kUsbLeftAlt) +
-    pressed_keys.count(kUsbRightAlt);
+bool CheckCtrlAndAltArePressed(const std::set<ui::DomCode>& pressed_keys) {
+  size_t ctrl_keys = pressed_keys.count(ui::DomCode::CONTROL_LEFT) +
+                     pressed_keys.count(ui::DomCode::CONTROL_RIGHT);
+  size_t alt_keys = pressed_keys.count(ui::DomCode::ALT_LEFT) +
+                    pressed_keys.count(ui::DomCode::ALT_RIGHT);
   return ctrl_keys != 0 && alt_keys != 0 &&
     (ctrl_keys + alt_keys == pressed_keys.size());
 }
@@ -86,7 +86,7 @@ class SessionInputInjectorWin::Core
   scoped_ptr<SasInjector> sas_injector_;
 
   // Keys currently pressed by the client, used to detect Ctrl-Alt-Del.
-  std::set<uint32> pressed_keys_;
+  std::set<ui::DomCode> pressed_keys_;
 
   DISALLOW_COPY_AND_ASSIGN(Core);
 };
@@ -136,9 +136,10 @@ void SessionInputInjectorWin::Core::InjectKeyEvent(const KeyEvent& event) {
   DCHECK(event.has_pressed());
 
   if (event.has_usb_keycode()) {
+    ui::DomCode dom_code = static_cast<ui::DomCode>(event.usb_keycode());
     if (event.pressed()) {
       // Simulate secure attention sequence if Ctrl-Alt-Del was just pressed.
-      if (event.usb_keycode() == kUsbDelete &&
+      if (dom_code == ui::DomCode::DEL &&
           CheckCtrlAndAltArePressed(pressed_keys_)) {
         VLOG(3) << "Sending Secure Attention Sequence to the session";
 
@@ -152,9 +153,9 @@ void SessionInputInjectorWin::Core::InjectKeyEvent(const KeyEvent& event) {
         }
       }
 
-      pressed_keys_.insert(event.usb_keycode());
+      pressed_keys_.insert(dom_code);
     } else {
-      pressed_keys_.erase(event.usb_keycode());
+      pressed_keys_.erase(dom_code);
     }
   }