Auto merge of #779 - sotaroikeda:Bug1325911-1, r=kvark
Auto merge of #779 - sotaroikeda:Bug1325911-1, r=kvark

Expand data in init_texture() on arm like update_texture()

Fixes issue #661.

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servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender