blimp: Add support for input handling

ui/events/events.gyp

Index: ui/events/events.gyp
diff --git a/ui/events/events.gyp b/ui/events/events.gyp
index 30cdaec3bd3caf0c61ca3c7627336123e935ea37..334d7864457d45f6dbbffba935690162120ababd 100644
--- a/ui/events/events.gyp
+++ b/ui/events/events.gyp
@@ -192,6 +192,17 @@
             'ozone/events_ozone.gyp:events_ozone_layout',
           ],
         }],
+        ['OS=="android"', {
+          'sources': [
+            'android/motion_event_android.cc',
+            'android/motion_event_android.h',
+            'android/events_jni_registrar.cc',
+            'android/events_jni_registrar.h',
+          ],
+          'dependencies': [
+            'motionevent_jni_headers',
+          ],
+        }],
       ],
     },
     {
@@ -474,6 +485,9 @@
           ],
         }],
         ['OS == "android"', {
+          'sources': [
+            'android/motion_event_android_unittest.cc',
+          ],
           'dependencies': [
             '../../testing/android/native_test.gyp:native_test_native_code',
           ],
@@ -485,6 +499,15 @@
     ['OS == "android"', {
       'targets': [
         {
+          'target_name': 'motionevent_jni_headers',
+          'type': 'none',
+          'variables': {
+            'jni_gen_package': 'ui',
+            'input_java_class': 'android/view/MotionEvent.class',
+          },
+          'includes': [ '../../build/jar_file_jni_generator.gypi' ],
+        },
+        {
           'target_name': 'events_unittests_apk',
           'type': 'none',
           'dependencies': [