问LeakCanary发现Android WebView内存泄漏

EN

private ResultReceiver mResultReceiver = new ResultReceiver(new Handler()) {
    @Override
    public void onReceiveResult(int resultCode, Bundle resultData) {
        getContentViewClient().onImeStateChangeRequested(
                resultCode == InputMethodManager.RESULT_SHOWN
                || resultCode == InputMethodManager.RESULT_UNCHANGED_SHOWN);
        if (resultCode == InputMethodManager.RESULT_SHOWN) {
            // If OSK is newly shown, delay the form focus until
            // the onSizeChanged (in order to adjust relative to the
            // new size).
            // TODO(jdduke): We should not assume that onSizeChanged will
            // always be called, crbug.com/294908.
            getContainerView().getWindowVisibleDisplayFrame(
                    mFocusPreOSKViewportRect);
        } else if (hasFocus() && resultCode
                == InputMethodManager.RESULT_UNCHANGED_SHOWN) {
            // If the OSK was already there, focus the form immediately.
            assert mWebContents != null;
            mWebContents.scrollFocusedEditableNodeIntoView();
        }
    }
};

@Override
public ResultReceiver getNewShowKeyboardReceiver() {
    return mResultReceiver;
}