Adjust the order of clearing resource in CPDF_DocPageData::Clear

Images are basic resource and are referred or used by other objects in some cases. Images should be released after the objects who uses these objects. In this case, an image object is accessed in the process of CPDF_TilingPattern's destroy. Unlikely, this image has been destroyed before.

BUG=414046
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/582993002
1 file changed