Migrating majority of gamepad from content/browser/ to device/

content/public/android/BUILD.gn

Index: content/public/android/BUILD.gn
diff --git a/content/public/android/BUILD.gn b/content/public/android/BUILD.gn
index c07ec92224adde4eb7642a12d42dfd719f9de5d5..1cd9821a44095815d49197487e09163eb607aea8 100644
--- a/content/public/android/BUILD.gn
+++ b/content/public/android/BUILD.gn
@@ -35,6 +35,7 @@ android_library("content_java") {
     "//device/battery:mojo_bindings_java",
     "//device/battery/android:battery_monitor_android",
     "//device/bluetooth:java",
+    "//device/gamepad:java",
     "//device/power_save_blocker:java",
     "//device/usb:java",
     "//device/vibration:mojo_bindings_java",
@@ -164,9 +165,6 @@ android_library("content_java") {
     "java/src/org/chromium/content/browser/input/CursorAnchorInfoController.java",
     "java/src/org/chromium/content/browser/input/DateTimeChooserAndroid.java",
     "java/src/org/chromium/content/browser/input/FloatingPastePopupMenu.java",
-    "java/src/org/chromium/content/browser/input/GamepadDevice.java",
-    "java/src/org/chromium/content/browser/input/GamepadList.java",
-    "java/src/org/chromium/content/browser/input/GamepadMappings.java",
     "java/src/org/chromium/content/browser/input/HandleViewResources.java",
     "java/src/org/chromium/content/browser/input/ImeAdapter.java",
     "java/src/org/chromium/content/browser/input/ImeUtils.java",
@@ -268,7 +266,6 @@ java_cpp_enum("content_public_android_java_enums_srcjar") {
     "//content/browser/android/gesture_event_type.h",
     "//content/browser/device_sensors/device_sensors_consts.h",
     "//content/browser/device_sensors/sensor_manager_android.h",
-    "//content/browser/gamepad/gamepad_standard_mappings.h",
     "//content/public/browser/invalidate_type.h",
     "//content/public/browser/navigation_controller.h",
     "//content/public/browser/readback_types.h",