Minimum implementation of ARC clipboard Bridge

components/arc/BUILD.gn

Index: components/arc/BUILD.gn
diff --git a/components/arc/BUILD.gn b/components/arc/BUILD.gn
index c5e7746496d7d142b94ec74bb3e0646e53882151..4422de7f8d2376870b5c6e43f14f8ac4d7895dd4 100644
--- a/components/arc/BUILD.gn
+++ b/components/arc/BUILD.gn
@@ -14,6 +14,8 @@ static_library("arc") {
     "arc_bridge_service_impl.h",
     "arc_service_manager.cc",
     "arc_service_manager.h",
+    "clipboard/arc_clipboard_bridge.cc",
+    "clipboard/arc_clipboard_bridge.h",
     "input/arc_input_bridge.h",
     "input/arc_input_bridge_impl.cc",
     "input/arc_input_bridge_impl.h",
@@ -32,6 +34,7 @@ static_library("arc") {
     "//ipc/mojo:mojo",
     "//third_party/mojo/src/mojo/edk/system",
     "//ui/aura",
+    "//ui/base:base",
     "//ui/events",
     "//ui/events:dom_keycode_converter",
   ]
@@ -45,6 +48,7 @@ mojom("arc_bindings") {
   sources = [
     "common/app.mojom",
     "common/arc_bridge.mojom",
+    "common/clipboard.mojom",
     "common/input.mojom",
     "common/notifications.mojom",
     "common/power.mojom",