Use the new java_cpp_enum rule in content.

android_webview/java_library_common.mk

Index: android_webview/java_library_common.mk
diff --git a/android_webview/java_library_common.mk b/android_webview/java_library_common.mk
index 640369135a9f5be8dcbafdc92a74f66a2750c7b6..870c4bf456b685884e8681cd09efeb7bd14648aa 100644
--- a/android_webview/java_library_common.mk
+++ b/android_webview/java_library_common.mk
@@ -42,18 +42,19 @@ LOCAL_GENERATED_SOURCES := \
 $(call intermediates-dir-for,GYP,shared)/enums/bitmap_format_java/org/chromium/ui/gfx/BitmapFormat.java \
 $(call intermediates-dir-for,GYP,shared)/enums/cert_verify_status_android_java/org/chromium/net/CertVerifyStatusAndroid.java \
 $(call intermediates-dir-for,GYP,shared)/enums/certificate_mime_types_java/org/chromium/net/CertificateMimeType.java \
+$(call intermediates-dir-for,GYP,shared)/enums/content_gamepad_mapping/org/chromium/content/browser/input/CanonicalAxisIndex.java \
+$(call intermediates-dir-for,GYP,shared)/enums/content_gamepad_mapping/org/chromium/content/browser/input/CanonicalButtonIndex.java \
+$(call intermediates-dir-for,GYP,shared)/enums/gesture_event_type_java/org/chromium/content/browser/GestureEventType.java \
+$(call intermediates-dir-for,GYP,shared)/enums/popup_item_type_java/org/chromium/content/browser/input/PopupItemType.java \
 $(call intermediates-dir-for,GYP,shared)/enums/private_key_types_java/org/chromium/net/PrivateKeyType.java \
+$(call intermediates-dir-for,GYP,shared)/enums/result_codes_java/org/chromium/content_public/common/ResultCode.java \
+$(call intermediates-dir-for,GYP,shared)/enums/screen_orientation_values_java/org/chromium/content_public/common/ScreenOrientationValues.java \
+$(call intermediates-dir-for,GYP,shared)/enums/selection_event_type_java/org/chromium/content/browser/input/SelectionEventType.java \
+$(call intermediates-dir-for,GYP,shared)/enums/speech_recognition_error_java/org/chromium/content_public/common/SpeechRecognitionErrorCode.java \
+$(call intermediates-dir-for,GYP,shared)/enums/top_controls_state_java/org/chromium/content_public/common/TopControlsState.java \
 $(call intermediates-dir-for,GYP,shared)/enums/window_open_disposition_java/org/chromium/ui/WindowOpenDisposition.java \
 $(call intermediates-dir-for,GYP,shared)/templates/org/chromium/base/ApplicationState.java \
 $(call intermediates-dir-for,GYP,shared)/templates/org/chromium/base/MemoryPressureLevelList.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/GestureEventType.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/SpeechRecognitionError.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/input/CanonicalAxisIndex.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/input/CanonicalButtonIndex.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/input/PopupItemType.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/browser/input/SelectionEventType.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content/common/ResultCodes.java \
-$(call intermediates-dir-for,GYP,shared)/templates/org/chromium/content_public/common/ScreenOrientationValues.java \
 $(call intermediates-dir-for,GYP,shared)/templates/org/chromium/media/AndroidImageFormat.java \
 $(call intermediates-dir-for,GYP,shared)/templates/org/chromium/net/NetError.java \
 $(call intermediates-dir-for,GYP,shared)/templates/org/chromium/ui/base/PageTransitionTypes.java \