move wave_control/test to wave_control/drag_test
remove native widget depend
add wave_control_unittest
fix bug: no ref to the removed wave
update version of chromium_bin2
remove container when there is no wave in it
fix bug: reset active after drop or cancel
fix drag&drop bug:
use child view to show Indicate
Layout when WaveControl and WaveContainer change
offset drag image by mouse press point
name properly
fix wave transform and vector to x transform
use pos_ no transform from line_point (shake label value)
remove debug code