chromeos: Add ArcInputBridge to components/arc

components/arc/BUILD.gn

Index: components/arc/BUILD.gn
diff --git a/components/arc/BUILD.gn b/components/arc/BUILD.gn
index 4e87ec858226b5b976f8739bd886cb62c4f8f5c0..5830140f8b35b52a9c031329cd6b521bb5801a5d 100644
--- a/components/arc/BUILD.gn
+++ b/components/arc/BUILD.gn
@@ -12,6 +12,9 @@ static_library("arc") {
     "arc_service_manager.h",
     "common/arc_message_generator.cc",
     "common/arc_notification_types.cc",
+    "input/arc_input_bridge.h",
+    "input/arc_input_bridge_impl.cc",
+    "input/arc_input_bridge_impl.h",
   ]
 
   deps = [
@@ -19,6 +22,8 @@ static_library("arc") {
     "//base:prefs",
     "//chromeos",
     "//ipc",
+    "//ui/aura",
+    "//ui/events",
   ]
 }
 
@@ -47,5 +52,7 @@ source_set("unit_tests") {
     "//chromeos",
     "//ipc",
     "//testing/gtest",
+    "//ui/aura",
+    "//ui/events",
   ]
 }