mustash: Implement basic input event routing in renderer

components/html_viewer/BUILD.gn

Index: components/html_viewer/BUILD.gn
diff --git a/components/html_viewer/BUILD.gn b/components/html_viewer/BUILD.gn
index 5f4a08a7afe2ab9e610e097cbd4413137de98a9c..2848a5d8c91064b17e58c773349b03ba28ebe4e1 100644
--- a/components/html_viewer/BUILD.gn
+++ b/components/html_viewer/BUILD.gn
@@ -63,8 +63,6 @@ source_set("lib") {
     "blink_basic_type_converters.h",
     "blink_find_type_converters.cc",
     "blink_find_type_converters.h",
-    "blink_input_events_type_converters.cc",
-    "blink_input_events_type_converters.h",
     "blink_platform_impl.cc",
     "blink_platform_impl.h",
     "blink_resource_constants.h",
@@ -177,6 +175,7 @@ source_set("lib") {
     "//mojo/application/public/cpp",
     "//mojo/application/public/interfaces",
     "//mojo/common",
+    "//mojo/converters/blink",
     "//mojo/converters/surfaces",
     "//mojo/gles2:headers",
     "//mojo/gpu:mojo_gles2_implementation",
@@ -316,6 +315,7 @@ test("html_viewer_unittests") {
     "//base/test:test_support",
     "//components/scheduler",
     "//gin",
+    "//mojo/converters/blink",
     "//mojo/converters/input_events",
     "//mojo/gles2",
     "//mojo/platform_handle:platform_handle_impl",