Below are error messages:

W/System.err(23080): java.lang.ClassNotFoundException: Didn't find class "org.chromium.shape_detection.InterfaceRegistrar" on path: DexPathList[[zip file "/data/app/org.chromium.content_shell_apk-2.apk"],nativeLibraryDirectories=[/data/app-lib/org.chromium.content_shell_apk-2, /vendor/lib, /system/lib]]
W/System.err(23080): 	at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
W/System.err(23080): 	at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
W/System.err(23080): 	at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
W/System.err(23080): 	at org.chromium.content.app.ContentMain.nativeStart(Native Method)
W/System.err(23080): 	at org.chromium.content.app.ContentMain.start(ContentMain.java:27)
W/System.err(23080): 	at org.chromium.content.app.ContentChildProcessServiceDelegate.runMain(ContentChildProcessServiceDelegate.java:190)
W/System.err(23080): 	at org.chromium.base.process_launcher.ChildProcessService$2.run(ChildProcessService.java:243)
W/System.err(23080): 	at java.lang.Thread.run(Thread.java:841)
F/chromium(23080): [23080:23097:0424/144729.063453:FATAL:jni_android.cc(138)] Failed to find class org/chromium/shape_detection/InterfaceRegistrar